After being involved in the Liberal Party for more than thirty years, David won the Liberal Party of Canada nomination for the riding of Ottawa-Orléans in September of 2009.  He has been an active member of the local riding association for the past twenty years.

David is a founding partner at Bertschi Orth Smith LLP, a legal practice which now employs close to thirty people in Ottawa-Orléans.  He has practiced law since 1985, authored numerous articles and spoken at various high profile conferences throughout Canada and the United States.  He acted as a Crown prosecutor and a prosecutor for the Ontario Human Rights Commission.  He was appointed Chair of the International Practice and Substantive Section by the Federation of Defence and Corporate Counsel in 2008.

David volunteered for a number of organizations such as the Citizen Advocacy and the Resource Centre for the Handicapped.  He also supported a number of sports and cultural groups in the community (Cumberland Panthers, Orléans Young Players Theatre Group, Music Alive and Cumberland soccer, hockey and baseball associations).

Born in Ste. Adèle, Québec, he went through primary school in French and a bilingual secondary school.  He then studied at Carleton (BA 1980) and Windsor (LLB, 1983).

David resides in Ottawa-Orléans with his wife and their six children.  He made Orléans his home more than twenty years ago.