Mei San Lee

Corporate Officer/Principal bei Institute of Singapore Chartered Accountants

Distribution Services

Commercial Services

Consumer Services

Aktive Beziehungen

Name	Geschlecht	Alter	Unternehmensverbindungen	Zusammenarbeit
Kheng Hui Ang	M	53	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Eng Ann Soh	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Suan Choo Loy	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Hai Joo Toh	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Chee Wee Low	M	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Kok Ong Koh	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Chee Wee Lim	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Cheng Jiet Ng	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Tiong Yuen Soh	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Kern Lim	M	54	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Fan Lim	M	55	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	30 Jahre
Han Beng Tan	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	16 Jahre
Yiow Min Chay	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	4 Jahre
Cheong Yan Law	M	53	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Zulhikam bin Ahmad	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Siew Han Lee	F	54	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Wee Kiat Chan	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Chee Wei Seah	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	16 Jahre
Andy Gwee	M	47	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	26 Jahre
Serene Tan	F	46	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Buck Kiang Tan	M	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Shih Hua Toh	F	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	31 Jahre
Teo Hong Keng	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Wai San Chow	M	53	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Sophia Ong	F	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Uthaya Chandrikaa	F	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Choong Kuen Kwong	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	30 Jahre
Cheau Leong Loo	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Teck Whee Poh	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Ngai Soon Yong	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Tian Chun Quahe	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Jenny Lim	F	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Guat Bee Goh	F	47	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	27 Jahre
Boon Wah Loh	M	54	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	33 Jahre
Gee Kiat Lim	M	54	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Weng Wei Ng	M	54	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	30 Jahre
Lee Chye Tay	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Soon Ann Cheah	M	48	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	27 Jahre
Eldon Wan	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Kai Teck Tan	M	55	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Choon Kit Hui	M	60	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	3 Jahre
Poh Chen Lim	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	30 Jahre
Khee Wee Hau	M	48	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Tze Wee Chua	M	54	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Voon Hoo Jong	M	51	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	20 Jahre
Chee Keen Yun	M	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Kum Hoe Leong	M	55	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Leng Hui Kang	F	47	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Choon Kong Koh	M	53	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Hong Chun Choo	M	53	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	31 Jahre
Stephen Greenwood	M	60	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Boon Kiang Lim	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	20 Jahre
Pin Jan Fong	M	49	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Chee Seng Chu	M	50	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Alan Gey	M	52	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Oi Lin Loke	F	-	Nanyang Technological University Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	5 Jahre
Wei Huang Lim	M	39	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Meng Choon Tan	F	50	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Ching Thing Lai	M	44	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Hong Yan Jia	F	39	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	6 Jahre
Wei Yee Low	F	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Hua Liu	F	48	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	20 Jahre
K. Mathew Eapen	F	68	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Ross Yu Limjoco,	-	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Jimmy Yam	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Chin Hoong Chan	M	36	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	8 Jahre
Lay Ting Teo	F	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Yong Chow Hin	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Kum Poh Kwan	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Kwang Jin Tay	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Chi-Nung Chung	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Michael Pakshong	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	61 Jahre
Rangareddy Jayachandran	M	80	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Shu Qi Guo	F	41	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Chou Yuan Ng	F	38	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Chee Kwang Yip	M	51	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Wai Leong Choo	M	47	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Chiu Shan Chew	F	46	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Siew Buay Yap	F	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Gim Hwee Tan	M	57	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Seng Chan Lee	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Hie Wu Ho	M	62	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	20 Jahre
Keat Choon Loo	M	46	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Mang Chan	M	52	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Siew Kheng Gui	F	44	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Choon Seng Fong	M	61	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Peck Khim Yap	M	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Chen Fei Lang	M	43	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	7 Jahre
Chiew Peng Luk	M	54	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Meng Yau Yeoh	M	50	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Hiong Tan La	F	56	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Poh Lee Tan	M	70	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Siew Gie Koh	F	44	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Ting Wai Ho	F	49	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	6 Jahre
Ler Lily	F	52	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Thilagavathy Nadason	F	63	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-
Jocelyn Yong	F	-	Institute of Singapore Chartered Accountants Institute of Singapore Chartered Accountants Miscellaneous Commercial ServicesCommercial Services Institute of Singapore Chartered Accountants provides accounting services.	-

Mehr sehen

Beziehungs-Chart

Beziehungen zu mehreren Unternehmen

Ehemalige Beziehungen

Name	Geschlecht	Alter	Unternehmensverbindungen	Zusammenarbeit
Cong Chen	M	62	USP GROUP LIMITED	-
Hua Li	M	-	USP GROUP LIMITED	5 Jahre
Yan Peng Poh	F	51	REGAL INTERNATIONAL GROUP LTD.	2 Jahre

Statistik

Land	Beziehungen	% des Gesamten
Singapur	100	100,00%

Alter der Beziehungen

Aktive

Vergangene

Herr

Frau

Aufsichtsräte

Führungskräfte

Ursprung der Beziehungen

Börse
Insiders
Mei San Lee
Persönliches Netzwerk