Marshall Gregory

Sentinel Trust Co. is an independent wealth management firm headquartered in Houston, Texas. The firm was founded in 1997 by the Flowers and Fruehauf families by combining their complementary strengths—real estate, oil and gas, and public and private equities for the Flowers family; hedge funds and private equity for the Fruehauf family—and administration of complex wealth planning structures by both families, they would be able to attract top professionals to serve them as well as other similarly situated families. Sentinel Trust provides individualized investment management and trust administration services to very high net-worth families.

Haven Wealth Group LLC (HWG) is an independent, SEC-registered investment advisor headquartered in Houston, Texas. The firm was founded in 2008 by W. Charles Calvin and Richea Powell. HWG manages money for individuals, pensions, foundations and endowment funds on a fully discretionary basis.