Division Leaders

Terry Spaeder

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Industrial Division Manager

Master of Science in Building Construction Management, Purdue University
Bachelor of Science in Mechanical Engineering, Penn State University Park

Terry Spaeder has been the industrial division manager since 1995.  He has 35 years of experience managing the largest and most challenging industrial projects undertaken by the company in refineries, chemical plants, paper mills, and food manufacturers to name a few.  He is committed to lean construction techniques, quality control, safety, best-in-business practices and continuous improvement.

Jay Spaeder

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President and Service Division Manager

L.U. 449 and L.U. 47 – General Foreman Pipefitter (1983-2014)

Jay Spaeder has been president since 2016 and manager of the service division since 2007.  The division has expanded greatly under his leadership and its staff of 40 technicians offers emergency repairs and maintenance services to industrial, commercial and residential customers.  Jay has 38 years of experience consisting of 10 years of field experience, 19 years of managing HVAC and industrial projects, and nine years of divisional management.  Jay is committed to the education and development of young tradesmen, has served on the Apprenticeship Committee for L.U. 47 and 449, and was instrumental in the development of the apprentice and journeyman training facility in Erie.


Steve Eastbourn

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Commercial Division Manager

Associate Degree in Mechanical Engineering Technology, Penn State Erie, The Behrend College

As commercial division manager since 2008 Steve oversees the estimating and management of all plumbing and HVAC construction projects.  His experience includes both large and small projects for schools, hospitals, hotels and retail customers. Steve is a registered plumber for Erie County and has a plumbing license for the State of Ohio. He completed the Mechanical Contractor's Association of America (MCAA)'s Institute for Project Management course in 2006 and is a LEED Accredited Professional. Steve has seven years of experience in the field , four years in project management, and nine years in his current role as Commercial Division Manager.


Jonathan Marsh

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Virtual Design and Construction Division Manager

Associate Degree in Architectural Drafting and Design
Certified Plumbing Designer – American Society of Professional Engineers

As the division manager for virtual design and construction Jon is responsible for design detailing, trade coordination, integrated building information modeling, the production and coordination of 4D scheduling, and the phased installation of fabricated assemblies. Jon manages the CADD operators who provide design and engineering support to field technicians. Jon joined the company in 2008 after working for 10 years as an engineering technician and CADD manager.


Jerry Cussins

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Fire Protection Division Manager

Associate Degree in Mechanical Drafting and Design

NICET Level III in Water-Based Fire Protection Systems Layout

Since joining the Fire Protection Division in 1995, Jerry has progressed from the lone system designer to division manager.  He currently oversees three designers/project managers, a state-of-the-art fabrication shop and a service department that offers 24/7 emergency service.  As the division manager, Jerry is responsible for estimating projects as well as managing the design and installation of all types of automatic fire sprinkler systems in residential, commercial, industrial, healthcare, educational and warehousing facilities.  Prior to joining Spaeder, Jerry worked for nine years as an engineering technician designing HVAC, plumbing, fire protection and electrical systems.  


Mike Aiello

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Corporate Director, Safety and Resource Development

Bachelor of Science Degree from York College of Pennsylvania

Mike has over 30 years of experience in key roles in manufacturing environments. For over 25 of those years, he has been instrumental in developing highly effective teams as a Human Resource Professional, often with multiple plant responsibilities. He also has extensive experience in Project Coaching, exceeding customer expectations, behavior-based interviewing, and diversity. Mike's experience at Wm. T. Spaeder began in 2013 where, among many achievements, he has established standardized safety protocols which have decreased recordable injuries by 50%, and is instrumental in a strategic action plan to attract and retain talent and clients to grow the business through key acquisitions.

Del Dosch

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Call Del: (814) 456-7014 x398

Director-Client Services and Project Development

Bachelor of Science in Building Construction from Penn State University

YMCA Board of Management, Past Board Member of the Engineers Society of Western Pennsylvania, Member-Engineers Society of Western Pennsylvania

Del is our Director of Client Services and Project Development. He has over 25 years of experience in Engineering and Construction with extensive and progressive experience in contract management, project development, construction and commissioning in the Industrial, Manufacturing, Metals, Power and Energy Markets. His progressive experience includes an emphasis on customer service, project management and project execution. Accomplished in project validation and development, field and contract management by building key relationships with owners, engineers, and contractors. 

Wm. T. Spaeder Co., Inc.
1602 East 18th Street
Erie, PA 16510

PA  #012152

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