Senior Management Team

Mr. Andreasen has a BS Degree in Civil and Environmental Engineering from Clarkson University, and is a licensed professional engineer in NJ and Delaware. He is active with industry related organizations including the American Water Works Association, Water Environment Federation, NJ Utilities Association, and is an appointed member of NJ DEP’s Water Supply Advisory Council, currently serving as Vice Chair.

DENNIS W. DOLL serves as Chairman of the Board, President and CEO of Middlesex Water Company (NASADAQ:MSEX), a publicly-traded investor-owned water and wastewater utility company established in 1897. Middlesex Water is one of eight remaining U.S. based publicly traded water utilities in the country.
Mr. Doll has more than 35 years of experience in senior level positions in investor-owned water and wastewater utility management. He joined Middlesex Water as Executive Vice President in November 2004 and was named President and Chief Executive Officer, and a Director of Middlesex, effective January 1, 2006. In May 2010, he was elected Chairman of the Board also serving as Chairman of the Boards of Middlesex Water Company’s subsidiary companies. Mr. Doll speaks frequently on water related issues including asset & capital management, infrastructure policy, utility preparedness and resiliency. He has served as Past President and Chairman of the National Association of Water Companies and past Chairman and Director of the New Jersey Utilities Association, representing the state’s electric, gas, water and telecommunications industries.
Mr. Doll presently serves as Chairman of the Board of The Water Research Foundation, the research arm of the drinking water industry with more than 1,000 subscribers across the United States, Canada, Europe and Australia. He also serves as Treasurer of Court Appointed Special Advocates (CASA) of Middlesex County, NJ. He received a B.A. Degree in Accounting and Economics from Upsala College and is a Certified Public Accountant (inactive).

Mr. Fullagar joined the Company in 1997 as Director of Distribution and held positions of increasing responsibility before being named Vice President of Operations in January 2019. He oversees all departments and subsidiary operating units responsible for water and wastewater treatment, production, construction, distribution and collection. He chairs both the Emergency Management & Security and the Safety Committees which includes all subsidiary operating/business units.
Mr. Fullagar earned his B.S. Degree in Civil Engineering from the New Jersey Institute of Technology and holds professional engineer and system operator’s licenses in New Jersey and Pennsylvania. He is the sector chair for the New Jersey Infrastructure Advisory Committee where he represents investor and municipally owned water and wastewater utilities throughout the State in matters pertaining to resiliency.
He is also a member of the New Jersey Domestic Security Preparedness Task Force – Water and Wastewater Sector Security and Resiliency Working Group, the Civil Engineering National Honor Society, the American Water Works Association, the American Society of Civil Engineers, the National Fire Protection Association, the New Jersey Utility Association and ASIS International.


Mr. Kooper is a Past Chair and serves on the Board of Consultors of the New Jersey State Bar Association’s Public Utilities Law Section. Mr. Kooper also serves on the Board of Directors of the National Association of Water Companies and selected non-profit Boards in New Jersey. In 2019, Mr. Kooper was named NJBIZ General Counsel of the Year and was previously recognized as a finalist for the NJBIZ General Counsel of the Year Award and the New York Stock Exchange’s Distinguished General Counsel Award.
Mr. Kooper received his Juris Doctor from George Washington University Law School and his Bachelor of Arts degree in Political Science and History from Emory University.

Mr. O’Connor earned a degree in Accounting from Monmouth University and an M.B.A in Finance from Rutgers University. His professional affiliations include the American Institute of Certified Public Accountants, the NJ State Society of Certified Public Accountants, the National Association of Water Companies and the New Jersey Utilities Association.
Mr. O’Connor was also named President of Middlesex Water’s wholly-owned Delaware based subsidiary, Tidewater Utilities, Inc. effective January 1, 2019. He has served as the financial officer of Tidewater since its acquisition by Middlesex in 1992.

Ms. Simpson provides leadership for the continued development of an innovative, versatile, agile and secure technology environment for the Middlesex Water family of companies. She has extensive experience in cultivating and motiving team members to exceed personal and professional goals. Ms. Simpson graduated summa cum laude from Monroe College. She is a member of the New Jersey Project Management Institute, the Society for Information Management and the Association for Computing Machinery.

Ms. Sohler is Chair of the New Jersey Utilities Association Communications Committee, a 2007 Leadership NJ graduate and serves in a leadership capacity on numerous industry and community boards. She has been recognized as a Leading Woman Intrapreneur & Corporate Leader, one of New Jersey’s 50 Best Women in Business and by Executive Women of New Jersey. Ms. Sohler earned her M.A. in Public Communication from Fordham University and her B.A. from Seton Hall University.