David G. Seibel

President, Insight Collaborative              


As Co-Founder and President of Insight Partners and Insight Collaborative, David Seibel uses his broad base of expertise to help individuals and organizations articulate their key interests and find creative options to meet them. He is a trainer, conflict management consultant, mediator and professor in the fields of effective negotiation, communication and mediation. Focusing on commercial and family contexts, Mr. Seibel’s conflict management practice includes well over a decade of public and private service.


Mr. Seibel is associate faculty at Harvard Law School’s Program on Negotiation, and formerly at Georgetown University Law School. Mr. Seibel mediates a wide range of criminal and civil disputes, and advises organizations and individuals on negotiation and effective communication. He has taught related courses to corporate and non-profit clients all over the world, including negotiation skills workshops for the newly formed government in Iraq. His consulting practice includes advising the Chief Prosecutor of the International Criminal Court in The Hague, facilitating strategic planning sessions for senior executive teams, and coaching individuals through complex negotiations in business and divorce contexts.

After earning a bachelor’s degree in world literature from Middlebury College, Mr. Seibel studied Mandarin Chinese, law and mediation in the People’s Republic of China. He obtained his Juris Doctorate from Harvard Law School, where he served as President of the Harvard Mediation Program, and later as Sacks Fellow at the Hale and Dorr Legal Services Center of Harvard Law School. His Fellowship focused on the advocacy, negotiation and mediation of family matters. As an associate at Goodwin Procter LLP in Boston, Mr. Seibel practiced trusts and estates, and then corporate law. Mr. Seibel left full time law practice and established Insight Partners and Insight Collaborative to maximize his ability to help others around the world create value while improving the relationships that matter most to them.