Mr. John W. Glomb, Jr.'s career began as a management and professional liability underwriter with National Union, an American International Group member company. His tenure with AIG consisted of assignments in New York, Chicago, and finally, San Francisco as a Regional Vice President. Mr. Glomb also worked at Banc of America Securities LLC for six years in the Financial Institutions Investment Banking practice. He joined Philadelphia Insurance Companies in 2007 as Senior Vice President of the Management and Professional Liability division. In 2009, he took on responsibility for PHLY's entire Underwriting department as Senior Vice President. Mr. Glomb was appointed Chief Underwriting Officer in January 2011. He currently serves as President and CEO of PHLY.

In January of 2021, he was appointed CEO of the shared services company, Tokio Marine North America Services (TMNAS). Two years later, he became CEO of TMNA, Inc., the holding company for four Tokio Marine Group companies in the U.S., including PHLY, TMNAS, Tokio Marine America, and First Insurance Company of Hawaii. Mr. Glomb also holds the role of Executive Officer within the Executive Management Team at Tokio Marine Holdings, the ultimate parent company of PHLY.

Mr. Glomb received a Bachelor of Arts in Economics from the University of Pennsylvania and was a four-year member of the nationally-ranked Heavyweight rowing team. He was also part of a gold medal-winning U.S. Heavyweight rowing team at the World University Games. Mr. Glomb received a Master of Business Administration with a concentration in Finance and Strategic Management from the Wharton School of the University of Pennsylvania. He serves as co-chair of the University of Pennsylvania Rowing Sports Board, a member of the Breaking Barriers Steering Committee for Children's Scholarship Fund Philadelphia, and on the Board of Trustees of AIM Academy - a school (grades 1-12) for children with language-based learning differences. The Philadelphia Business Journal named him to its Most Admired CEO list in 2023 and the Philadelphia Inquirer recognized him with its Leadership Award in the large size company category for the 2022 and 2024 Top Workplaces awards. Mr. Glomb and his wife Franny live in Wyndmoor, PA with their four children.