Meet The Team

John McManus
John McManus
President and Senior Estimator

With 35 years of experience as the company’s chief estimator, John provides estimating services focused on each client’s conceptual and detailed needs. As McManus’ president and CEO for over 24 years, John’s steady leadership has facilitated McManus’ growth from a $3 million contractor into a $30+ million family-owned and run business. His knowledge and accomplishments have propelled the company to the forefront of the construction industry, particularly in the health care and educational sectors. Some of John’s most memorable projects include: Saint Joseph’s University-Post Learning Commons, Riddle Memorial Hospital-Rothman Institute & Parking Garage, and the Mummer’s Museum. He holds a B.S. in Marketing/Management from Saint Joseph’s University in Philadelphia, PA. John believes that directly addressing each client’s issues or concerns without any bureaucratic obstacles is the only way to run a business.

Mike McManus
Mike McManus
Secretary and Senior Project Executor

As the company’s senior project manager for over 27 years, Michael has successfully completed over $223 million of construction in the health care, educational, and institutional sectors. He fulfilled his Leadership in Energy Environmental Design (LEED) training before it became the “green building” standard within the architectural and construction industries. Michael’s LEED certification helped McManus secure the $15 million Mercy Suburban Emergency Department Expansion, one of the first Gold-Certified LEED hospital projects on the East Coast. Michael earned his B.S. in Marketing/Management from Saint Joseph’s University. He is also a Certified Project Manager through Villanova University’s Project Management program. Michael is convinced that John S. McManus Inc.’s smaller size allows him to nimbly evaluate client issues and resolve them promptly, regardless of project scope.

Mike McManus
Sean McManus
Vice President and Project Manager

With over 15 years of project management experience, Sean deftly handles McManus’ detailed project requirements with well-rounded knowledge in all phases of construction, from conceptual estimating to commissioning. Sean has a track record of success in nearly every construction sector, from new structure and site development, such as Tinicum Township Fire Company and Lazaretto Ballroom, to equipment replacement projects in health care facilities. Sean has a B.S. in Business Administration/Marketing from Saint Joseph’s University. Some of his industry-specific training includes the Construction Management Technology program at Delaware County Community College, Construction Management coursework through the General Building Contractors Association, and Suretrak Project Manager Certification. Sean views each project as a pathway to an honest, long-term relationship with each client.

Our History

Patricius McManus

In the late 19th and early 20th centuries, he was part of the railroads and canals that helped open the industrial age in America. At age 19, he began his career as a pioneer contractor in the railroad business. Among his greatest achievements was the Philadelphia terminal system of tracks at the Broad Street Station of the Pennsylvania Railroad. He pledged himself to the highest ideas and his construction company was based on commitment to honesty, integrity and excellence.

Patricius McManus
Leo McManus

Leo McManus

Inherited from his father a wealth of good will and fine reputation. After graduating from College in the early 20th century, Leo worked with Patricius in the construction business. Leo’s construction business began to flourish after beginning in road and site work. As growth continued they constructed many institutional buildings and churches.

John Staley McManus

Direct founder of John S. McManus Inc. In 1944 John graduated from Villanova with a Bachelor’s in Civil Engineering. After graduating John served in WWII as assistant to the Commander of Naval Construction. After the war John partnered with his family in McManus Realty 1950’s, Foley-McManus Construction in the 1960’s. John began working on his own as a contractor. John S. McManus Inc. received official incorporation in 1967. John remained as President until retirement in 1992.

John The Wizard McManus