Robert T. MacIntosh, P.E.
President

Robert T. MacIntosh, P.E. is the President of MacIntosh Engineering, a position he has held since it's founding in 1999. He is responsible for all aspects of the company's management as well as business development and quality control. Bob previously held the position of Director of Engineering at O'Donnell & Naccarato in Philadelphia, where he had worked since 1983. Bob earned a Bachelor of Science degree in Civil Engineering from Drexel University, graduating Summa Cum Laude in 1980, as well as a Master of Science degree in Structural Engineering in 1985.

Since founding MacIntosh Engineering (formerly O'Donnell, Naccarato & MacIntosh) in January 1999, Bob has been involved in such local organizations as the Caesar Rodney Rotary Club, the Committee of 100, the University and Whist Club and the Delaware Chapter of Associated Builders and Contractors. He is also an active member of AIA, ACEC-DE, DCA, CIRC and IFMA.

Bob is registered to practice in the states of Delaware, New Jersey, New York, Maryland, Virginia, North Carolina, Tennessee, Maine, Vermont, Connecticut, New Hampshire Washington, DC, and the Commonwealth of Pennsylvania.

In his free time, Bob is involved in mentoring, Easter Seals, as well as the What's My Line and Choices Programs.

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Peter J. Paton, P.E., LEED
Principal

Peter J. Paton, P.E. is a Principal of MacIntosh Engineering, where he is responsible for scheduling, quality control and management of the design and drafting staff. He holds a Bachelor of Science degree in Architectural Engineering from Drexel University, where he graduated Magna Cum Laude, in 1995. In 1997, after working for two years at Maida Engineering, Inc., Peter joined O'Donnell & Naccarato in Philadelphia, as a Project Engineer. He has been with MacIntosh Engineering (formerly O'Donnell, Naccarato & MacIntosh) since its founding in 1999, where he first worked as a Project Engineer and in 2002 was promoted to Director of Engineering.

Peter is registered to practice in the States of Delaware, Maryland, Kentucky, Ohio and the Commonwealth of Pennsylvania. He has worked on many exciting projects including the new WSFS Headquarters, One Christina Crescent, Justison Landing & The Renaissance Center.

Peter is professionally affiliated with the American Society of Civil Engineers, Chi Epsilon the National Civil Engineering Society, American Institute of Steel Construction and the American Forest and Paper Association - American Wood Council.

In his free time, Peter is involved with Habitat for Humanity and judges local community-building competitions such as Build a Dream, Block Kids, Future City Competition and MathCounts.

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Steven T. Krumenacker, P.E.
Principal

Steven T. Krumenacker, P.E. is a Principal with MacIntosh Engineering where he manages the firm's Exton office. He holds a Bachelor of Science degree in Civil Engineering from the University of Notre Dame. In 1994, after having worked for the Indiana Department of Transportation as a highway engineer, Steve joined O'Donnell & Naccarato in Philadelphia as a design engineer. In 1998, he was promoted to Project Executive and in 2002 was placed in charge of the firm's Bethlehem, Pennsylvania office. As Project Executive, he was responsible for all aspects of the firm's operations in the Lehigh Valley area. Steve has been with MacIntosh Engineering (formerly O'Donnell, Naccarato & MacIntosh) since 2005.

Steve is registered to practice in the states of New Jersey, New York, and the Commonwealth of Pennsylvania. His projects include various commercial, institutional, industrial and residential structures involving renovations, additions and new construction. He is professionally affiliated with the Delaware Valley Association of Structural Engineers, AIA Eastern Pennsylvania, Associated Builders and Contractors. Steve has worked on many challenging projects including Milmont Elementary, Chatham Financial Services & the Radnor Municipal Building.

Steve and his wife are founders of the Driving in the Dark Golf Outing. This annual event raises money for the International Melanoma Foundation for the purpose of educating school children about skin cancer.

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James R. Baker, P.E.
Associate

James R. Baker, P.E. has been with MacIntosh Engineering (formerly O'Donnell, Naccarato & MacIntosh) since 2000, when he joined the team as a Project Designer. In 2003, Jim was promoted to the role of Project Engineer & currently manages the firm's Delmarva office in Georgetown, DE. Jim is a graduate of Villanova University, where he earned a Bachelor of Science degree in Civil Engineering in 2000. Jim is registered to practice in the State of Delaware.

Jim has worked on many challenging projects, including the Dover Air Force Base Mortuary Building in Dover, Delaware, the Wilmington Friends Lower School Expansion in Wilmington, Delaware and Most Blessed Sacrament School in Worcester, Maryland.

In his free time, Jim volunteers with 3rd through 5th graders in the Special Olympics as the Coach of the Townsend Thunderbirds Soccer, Basketball and Softball teams.

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Robert D. Fisher
CFO 

Robert D. Fisher is the Business Manager at MacIntosh Engineering, where he is responsible for the financial and administrative health of the company. He has held this position since 2001. Rob earned a Bachelor of Science degree in Business from the University of Delaware in 1978 and previously held the positions of President at Wilmington Finishing Company and Controller at The Millers Group.

In his free time, Rob volunteers as the Treasurer of the First State Ballet Theatre at the Grand Opera House.

If you have any questions about the information above, please feel free to contact us!

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