Before joining Janney, Mr. Maine spent 13 years at Citigroup, where he was managing director and head of regional equity sales. He also had worked as a sales executive at several other Wall Street banks. After high school at Chestnut Hill, he starred in football and rugby at Princeton University. A defensive tackle, he was named MVP of the football team. During his first week at Princeton, he met Debbie Emery. The two married and would have celebrated their 30th wedding anniversary this summer. After graduating from Princeton in 1983, Mr. Maine moved to New York City to launch his career. He returned to Philadelphia in 1988 to raise a family in Wyndmoor. Mr. Maine played a pivotal role in the community, serving on the boards of the United Way of Greater Philadelphia, Philadelphia Partnership School, Chestnut Hill Academy, and Chestnut Hill Hospital. He also was a two-term president of the Beach Club of Cape May. Mr. Maine joined Janney, a stock brokerage-investment bank in Philadelphia, as senior vice president and director of equity capital markets in April 2008. Mr. Maine left the firm last summer, his family said. While in semiretirement, he was diagnosed with leukemia. He is survived by his parents, John Maine Sr. and Deborah Cutler; daughters Emery Maine Greenwood and Libbie Maine; son Jack Maine; many nieces and nephews; and a sister.