Headshot of Gregory SullivanGregory W. Sullivan is Pioneer’s Research Director, and oversees PioneerPublic and PioneerOpportunity.  Prior to joining Pioneer, Sullivan served two five-year terms as Inspector General of the Commonwealth of Massachusetts by appointment of the Governor, Attorney General, and Auditor. As Inspector General, Greg directed many significant cases, including an investigation that led to the conviction of House Speaker Salvatore DiMasi, a forensic audit that uncovered substantial over-billing by healthcare providers to the state uncompensated care pool, a study that identified irregularities in the approval process of the state charter school program, and a review that identified systemic inefficiencies in the state public construction bidding system.

Prior to serving as Inspector General, Greg held several positions within the state Office of Inspector General; his work included leading a project that identified systematic under-reporting of Big Dig cost-to-complete estimates, an investigation that led to the state’s recovering a misappropriated patent on an invention made in the state Biologic Laboratories, and an investigation that led to the conviction of the former budget director of the committee on ways and means of the Massachusetts State Senate for receiving kickbacks as financial advisor to the Massachusetts Water Resource Authority.

Sullivan was a 17-year member of the Massachusetts House of Representatives, serving on the committees of Ways and Means, Human Services, and Post-Audit and Oversight.  As a legislator, Greg was a fiscal conservative. Working with the Pioneer Institute, he introduced legislation that was passed by the House of Representatives and State Senate to institute a workfare requirement in Massachusetts. He also sponsored legislation that resulted in the establishment of the Massachusetts research and development tax credit.

Greg is a Certified Fraud Investigator, and holds a bachelor’s degree from Harvard College, a master’s degree in public administration from The Kennedy School of Public Administration at Harvard, and a master’s degree from the Sloan School at M.I.T., with a concentration in finance. Greg and his wife Marion live in Norwood and have four children and one grandchild.