Gerard J. Donnellan, PhD is a consulting psychologist and psychoanalyst with deep experience working with individuals and organizations.  He holds an Advanced Certificate in Family Business Advising  and is a Fellow and former faculty of the Family Firm Institute the leading international organization of family business consultants.  As Adjunct Professor at the International Business School at Brandeis University, he developed and introduced the MBA course, The Family Enterprise. 


Dr. Donnellan is president of  BIG LEAP. Since receiving his PhD in Clinical Psychology in 1977, he has consulted with a variety of organizations, from global corporations to family-owned firms and non-profits. As a family business consultant, for example, he works with the senior leadership, family members and the Board on succession planning, leadership development and issues at the intersection of the family and the business.  Prior to   BIG LEAP he was principal with Applied Behavioral Science, providing assessment and HR consulting to business units within Fidelity Investments (FIIS) and John Hancock Financial Services.


He was the Founding Director of the Institute for Organizational Consulting Psychology at William James College (formerly MSPP), Boston, where he was senior advisor and master coach supervisor in the Executive Coaching Certificate Program. 


His publications include book chapters and articles in scholarly professional journals; he has held teaching faculty appointments at HarvardMedicalSchool and the City University of New York. He is a life member of the American Psychological Association, and a member of local business, HR and psychology organizations.  


A licensed psychologist in Massachusetts, he is past-president, New England Society for Applied Psychology (NESAP), the largest organization of business and organizational psychologists in New England and is past-president, the Massachusetts Association for Psychoanalytic Psychology (MAPP), an APA regional affiliate. 


In discussing his organizational work, Cohen and Prusak observed, “BIG LEAP aims for long-term results using dramatic interventions that energize action in service of a clearly defined organizational goal." (In Good Company: How Social Capital Makes Organizations Work. Don Cohen & Larry Prusak. Harvard Business School Press. 2001).


His other interests include acting in community theater productions and his book, “Get Noticed, Get In”, a parent’s guide to college athletic scholarships.