Board of Trustees

Julie Aberger, Vice President

Julie Aberger is a 39-year resident of Pennington and a New Jersey native. She is the mother of three adult children, all educated in the fine Hopewell Township school system. Her husband Peter, who died in 2011, was a professor of Foreign Languages at Rider University for 35 years. Julie edited a volunteer EMS magazine for 20 years, entitled The Gold Cross, the official publication of the NJ State First Aid Council. She has been a volunteer member of the Pennington First Aid Squad for 30 years and annually teaches EMT training classes. She is also an active member, taking 911 calls on the ambulance. Julie was also a practicing paramedic for eight years. A long-time member of the Pennington United Methodist Church, Julie wrote a cemetery reenactment for one of its big anniversaries. That production was reproduced October 2017 by Julie together with the church, the Pennington Public Library, and the Hopewell Valley Historical Society.

Joseph J. Bielamowicz, Jr., Treasurer

Joseph J. Bielamowicz, Jr. is a CPA and retired Internal Audit Director for Princeton University. He and his family have resided in Pennington since 1976. Joe is in his second five-year term on the Library Board.

Hilary Burke

Hilary Burke has called Pennington home since 1994. She enjoys living in town with its convenient access to hiking and biking trails and public libraries. Hilary joined the board in 2019, and is currently serving as Secretary. Previously, she served as President and board member of the Hopewell Valley Historical Society.

Maureen Hassett, President

Maureen Hassett has been a resident of Pennington for 25 years.  With her husband John, Maureen raised two boys in the Hopewell Valley. Recently retired, she had a long career in economic development and affordable housing finance for the Borough of Princeton and State of New Jersey.  She has also served on the Planning Board for the Borough.

Meredith Moore

Meredith Moore, and her husband Steve Rabbe, moved to Pennington in 2004 from Minneapolis. She is a Communications and Marketing executive in the energy and environment sector and also serves on the Boards of the New Jersey Conservation Foundation, Bunbury Fund of the Princeton Area Community Foundation, and the Philander Chase Conservancy. A strong supporter of local businesses, Meredith appreciates the Hopewell Valley’s natural beauty, history and the neighborliness of its residents.

Carol Olson, Mayoral Representative

Carol Olson moved to Pennington over 30 years ago with her husband Dennis and their two children, Eric and Kristen.  She was a computer teacher at Toll Gate Grammar School and retired after 25 years teaching.  Since retiring from Toll Gate, she has been the technology coordinator at Princeton Day School. Carol joined the board in 2021.

Kathryn Rosko

Kathryn Rosko has lived in Pennington since 2004. She has worked in publishing, the arts, and education, and is currently associate director of marketing and communications for the Rutgers Global unit of Rutgers University. Kathryn joined the board in 2018, and is currently serving as President.

Amy Sullivan

Amy Sullivan was born and raised in New Jersey. She lived in New York City for more than two decades before returning to her home state in early 2021, moving with her husband and son to Pennington Borough. Amy has had a long career in non-profit fundraising, including in-house positions at The Society of Memorial Sloan-Kettering Cancer Center and The New York Landmarks Conservancy. She now consults independently for a number of non-profits. Her son is a fourth grader at Toll Gate Grammar, and her husband works in book publishing, and reading and literacy are very important parts of their family life.

Rosetta Treece, School Representative

Dr. Rosetta Treece has been an educator for 20 years. During her time in public school education, she has served as a high school English Teacher, Vice Principal, Principal, and Assistant Superintendent of Curriculum and Instruction. Dr. Treece is the Superintendent of Schools for Hopewell Valley Regional School District. Dr. Treece graduated Magna Cum Laude from the College of New Jersey earning a Bachelor of Arts degree in English Secondary Education. She holds a master’s degree in Educational Administration and earned her Doctorate Degree in Educational Leadership from Rowan University. Her doctoral thesis was on how to promote emotional intelligence in adolescents. Dr. Treece is an Advanced Nurtured Heart Trainer and a Peer Leader. She is an Attitudes in Reverse (A.I.R.) therapy dog handler and a mental health champion. She is committed to preparing teachers, support staff, and school leaders to create learning environments that are culturally responsive and that cultivate resiliency in young adults.