An insurance practice owner and former AT&T executive, Adrain is an active philanthropic and community leader. He is chairman of the Board of Governors for Higher Education and the Rhode Island Board of Regents for Elementary and Secondary Education.  He is vice president and director of the Harvard Business School Alumni Association.

He is the founder of KindMark, a leader in software and technologies that advance philanthropy. Also, Adrain has climbed Kilimanjaro, Elbrus, Aconcagua and other peaks to raise funds to support women's education as well as economic and health programs in Guatemala.

Ballentine Partners is a globally recognized multifamily office and investment advisory firm with clients in the U.S., Canada and Europe.  Its Family Office division serves families with assets of $20 million or more.