The Foundation’s board of directors has complete control and discretion over the use of all contributions and has the right to redirect contributions in the event it determines that to be warranted.

Hermina Merkel


Hermina (“Mina”) Merkel, International Leadership Consultant, has been working globally for 30+ years with over 70 countries for corporations, international think tanks, governmental entities, universities, international independent schools and nonprofits performing institutional strategic planning, board governance-training sessions, and customize workshops and retreats for boards and leaders throughout the world. Mina worked globally for General Motors for 20 years in Asia, Europe, Africa, the Middle East, North and South America.

Mina is the president of the board of directors of the Friends of Graded Foundation and has served as a board member of Frankfurt International School and Graded – The American School of São Paulo.

David Bigelow ’76


David S. Bigelow IV, Wealth Director at Fiduciary Trust International, is an alumnus of Graded’s class of 1976.

At Fiduciary, he builds investment and trust relationships with individuals, families, and foundations. He orchestrates the firm’s resources to advise his clients on the full spectrum of their wealth management needs, primarily investment management, sustainable investing, trust and estate planning, working with the next generation and impact philanthropy. Before joining Fiduciary Trust International, David worked at JP Morgan Private Bank as a senior banker.

He received a BA in economics from Brown University and a MBA in finance from The Wharton School of the University of Pennsylvania. David is from Vermont and lives in Harrison, New York. His other interests/passions include his four children, the Brooklyn and Manhattan tech ecosystems, contemporary art, rugby, Vermont, Brazil, and socially impactful philanthropies.

David serves as the treasurer of the board of directors of the Friends of Graded Foundation. 

Thomas Graham ’08


Thomas (“Tommy”) Graham, Attorney, is a graduate of Graded’s class of 2008. After graduating from Occidental College in Los Angeles and the New York University School of Law, he worked as an associate attorney at Cleary Gottlieb Steen & Hamilton LLP, where he focused on cross-border securities and M&A transactions, with an emphasis on transactions involving Brazilian clients. He then joined the New York-based firm The Giannuzzi Group LLP, which represents consumer brand start-ups and emerging companies. Since the beginning of 2020, he has been helping the firm open its second office in Santa Monica, California.

Tommy serves as the secretary of the board of directors of the Friends of Graded Foundation.