Winston has been with PG Calc as an employee and consultant since 1985. At PG Calc, he has managed the Software Development team and played a role on the firm’s Leadership Team. He currently provides tax and technical expertise to PG Calc software design and development. Prior to joining PG Calc full-time, Winston practiced law at Ropes and Gray, one of Boston's leading law firms, where he specialized in tax law. He graduated from Harvard College in 1984 and from the University of Michigan Law School in 1987.