Gillespie Family Office is a single-family office based in Dallas that manages multigenerational capital sourced from Texas oil and gas royalties. The office runs a diversified program across public and private markets and direct real estate, and it executes direct equity investments alongside fund LP commitments. The firm’s profile lists a 1995 founding year and approximately $45 million in assets under management. The team oversees asset allocation, tax strategy, governance and succession planning for the family and supports regional entrepreneurial initiatives and philanthropy. Investment activity spans public market positions, private company holdings and real estate assets. Gillespie Family Office structures capital both through direct ownership and by committing capital to funds. The combination of oil-and-gas royalty–derived capital and an explicit governance focus on preservation, tax strategy and multigenerational succession makes Gillespie a stable, long-term source of family capital for sponsors seeking patient, tax-aware commitments.