Found his LinkedIn page, and it appears that he has been the Director/Basketball Administration since 2008, and before that, was Director/Group Sales for the Pacers from 2006-2008. Graduated from New England School of Law in 2004, and IU in 1999.
Link
Pacers New Release wrote:The Indiana Pacers announced Wednesday that Peter Dinwiddie has been promoted to Vice President of Basketball Operations.
Dinwiddie will assist Executive Vice President of Basketball Operations/General Manager Kevin Pritchard and Pacers President of Basketball Operations Donnie Walsh in various capacities, including compliance with the NBA’s Collective Bargaining Agreement, assisting in player contract negotiations, salary cap management and compliance with NBA player personnel rules. He is an Indianapolis native who attended Indiana University and has a degree from the New England School of Law.
"Peter is very bright, very intelligent, very thorough and extremely hard working," said Walsh. "Since I returned (in June) and have worked with him on a daily basis, his contributions have been immeasurable. This promotion recognizes his work for the Indiana Pacers. He has a tremendous future in the league."
http://www.linkedin.com/pub/peter-dinwiddie/6/689/25b