Meet the Team

Jason Harris

President, ACi Construction

Jason Harris attended Pine Grove Area High School, then continued his education at Tech School, earning his associate’s degree in Architectural Drafting and Design. From the time he graduated in 2003 until 2011, he worked in residential design and project management. In 2011, he joined the Houck Preservation Specialty Contractor team as a Senior Account Manager for the Roof Maintenance Department. In April of 2022, Jason joined ACi Construction as a Project Manager. He became President of ACi Construction in April 2023.

In his free time, he enjoys working on projects around the house, biking, fishing, traveling, and spending time with his wife, Stacee, two daughters, Payton and Sawyer their two dogs, Remi and Rueger.

Dan Buch

Senior Project Manager

Dan Buch joined the ACi team in 1974 working as a draftsman and construction crew member.  Over the years he has worn many hats including positions in estimating, purchasing, employee supervision, management, and sales. He served as ACi Construction’s President until April 2023. He appreciates seeing a client’s facility concept turned into a functional building.

Dan enjoys working on home improvement projects, spending time with his family, and serving in church leadership.  He and his wife have two married daughters and three grandchildren.

Ben Skiles

Assistant Project Manager

As an Assistant Project Manager at ACi, Ben Skiles manages his own projects and clients while supporting coordination between the field and office teams. His responsibilities include tracking project progress, maintaining clear communication with team members and subcontractors, and organizing documentation to ensure everything runs smoothly and stays on schedule. He also steps in wherever needed to support the overall success of the team.

Ben began his career in the lumber industry after earning an associate degree in criminal justice, gaining valuable hands-on experience and a practical understanding of materials and day-to-day operations. In 2023, he joined ACi to explore a new side of the construction industry, where he applies both his field experience and technical mindset across a range of projects.

Outside of work, Ben enjoys spending time with his wife, Makenzie, and their Golden Retriever, Ember. He’s an avid outdoorsman who loves hiking, biking, and exploring the woods in his Jeep. He’s also passionate about photography, active in his church community, and finds mowing the lawn to be a surprisingly relaxing way to unwind.

Rich Ritter

Estimator

Rich Ritter is the Estimator for ACi Construction.  He has worked in the construction industry for over 35 years.  Rich started with ACi in 1987 as a carpenter and moved up to project foreman before taking a position in the estimating department in 2001.  This field experience is a big plus when he is preparing estimates as it gives him insight when looking at problem areas and special conditions on detailed jobs.

Rich has been an asset in the Ephrata community as well, serving as a volunteer firefighter and EMT for over 30 years.  Away from work, Rich enjoys travel, live theater, and spending time with his wife, Erica, their two sons, and the family dog. 

Terry Heck

Estimator / Project Manager

Terry Heck brings a wealth of hands-on construction experience to his role as Estimator and Project Manager. He is responsible for reviewing plans, gathering pricing, coordinating with subcontractors and suppliers, and managing timelines and budgets throughout each phase of a project. Working closely with both the internal team and clients, Terry ensures that jobs run smoothly from start to finish.

His career in construction began early, working alongside his father, a skilled mason. By his teenage years, Terry was already learning the trade, which eventually led him to own and operate his own construction company for 24 years. Specializing in residential and light commercial projects, he developed a deep, practical understanding of the industry—knowledge he continues to apply every day in his current role.

Outside of work, Terry and his wife, Jacqueline, are dedicated to their growing family of five children and several grandchildren. They are active members of the Worship Center in Leola, where they focus on their faith and building meaningful relationships. In his free time, Terry enjoys walking, biking, grilling, and staying active through various sports.

Terri Mock

Executive Assistant

Terri Mock is the Executive Assistant at ACi Construction.  In this role she handles many office functions from answering the telephone and processing mail to data entry and financial reporting.  Terri started at ACi Construction in 1993 with an Accounting degree from Messiah College and work experience in data entry.  She has used these skills to support the administrative and management team.

After work, Terri enjoys spending time with family and friends, knitting and crocheting, and solving Sudoku puzzles.

Larry Zeiset

Estimator/Project Manager

Larry represents Zeiset Homes & Renovations, the residential construction division of ACI Construction, where he focuses on growing renovations, additions, and custom home building. He works with clients from design through zoning, permitting, and construction, managing estimating, sales, and project oversight.

Raised in the building trade by his contractor father, Larry gained hands-on experience early and moved into project management at age 20. In 1993, he earned his real estate sales license, adding valuable expertise to his extensive portfolio, which spans everything from small home repairs to high-end custom homes.

Outside of work, Larry enjoys the outdoors with his wife, Christa, and their children, Madison and Cody—camping, fishing, hunting, and riding ATVs. He is active at Erb Mennonite Church, serving in leadership and participating in outreach and service projects.