BHK Investment Advisors

George B. Kaiser is the principal and ultimate decision-maker for the family office, which is closely integrated with the George Kaiser Family Foundation. The firm has historically maintained a lean internal team, relying on a combination of internal staff and external managers to execute its multi-asset strategy. Day-to-day investment management is overseen by a small group of senior professionals in Tulsa, though the firm does not publicly disclose its organizational chart or named investment committee members.

BHK manages the investment portfolio that funds the George Kaiser Family Foundation, the philanthropic vehicle Kaiser established in 1999. The two entities are structurally intertwined, sharing leadership and a common investment objective: to generate sufficient returns to sustain the foundation's grantmaking while also making direct, mission-aligned investments. The foundation has committed to spending down the vast majority of its assets within Kaiser's lifetime, which gives BHK a defined — and unconventional — investment horizon.

BHK uses both direct investments and fund commitments, depending on the asset class and the firm's internal sourcing capability. In areas like private credit and niche real estate, the firm has historically favored direct deals and co-investments that allow it to avoid the fee drag of commingled fund structures. For more specialized strategies — including venture capital and certain healthcare exposure — BHK has allocated to external managers.

BHK does not publish a negative investment list, but the firm's portfolio reflects a clear avoidance of businesses that conflict with the foundation's social mission. Given Kaiser's public philanthropy in criminal-justice reform and early-childhood education, the firm is understood to avoid private-prison operators, predatory consumer-lending platforms, and extractive industries beyond its legacy energy holdings. The Tulsa geographic focus also makes the firm a natural non-participant in asset classes or regions that lack an Oklahoma nexus.

While the Kaiser fortune was built in oil and gas through Kaiser-Francis Oil Company, BHK has steadily diversified away from pure-play fossil-fuel exposure. The portfolio now includes meaningful allocations to energy-transition infrastructure and renewable-power projects, reflecting a deliberate shift in generation. However, the firm has not publicly divested all legacy energy holdings, and some upstream oil-and-gas interests remain, particularly those held directly through the family's operating company entities.

No. While Tulsa and Oklahoma more broadly receive disproportionate investment attention — particularly in real estate, community development, and healthcare — BHK has invested nationally in asset classes like private credit, fintech, and select direct private equity. The geographic bias is a feature of Kaiser's personal mission rather than a formal investment restriction; the firm seeks market-rate returns on its non-Oklahoma positions to subsidize the concentrated local bets.

BHK has participated in co-investments alongside external institutional investors, particularly in large-scale real-asset and infrastructure transactions where permanent capital is an advantage. The firm does not market itself as a co-investment partner or run a formal co-investor club, but it is known to evaluate opportunities brought by a network of peer family offices and foundation endowments that share Kaiser's long-duration, mission-sensitive posture.