MEET THE TEAM
The KBC Team
Carol Mahan
Christopher J. Knollmeyer
Shawn D. Vetere
President/CEO
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​With more than 45 years of construction experience, Chris leads the Knollmeyer Team by setting a high standard of quality and customer relations. Chris is a Certified Passive House Builder and is a licensed Massachusetts Construction Supervisor, possesses a Boston ABC License and has a Massachusetts Home Improvement Contractor License. Chris and the team are capable of tackling any project that comes to us from our long list of regular clients.
Sr. Vice President of Business Operations and Finance
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Carol joined the KBC Team in August of 2016 as Corporate Controller. As Corporate Controller, Carol's responsibilities at KBC included managing all segments of financial operations. She also manages the staff responsible for generating the firm's payroll each week and oversees each staff member who is responsible for managing all payables and receivables. In March of 2021, Carol was promoted to VP of Business Operations and Finance, where she continues to excel as one of KBC's top Team Members. 
Vice President of Marketing and Business Development
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Shawn has been with KBC since 2013 and has been working in sales and marketing for over 30 years. Shawn is responsible for initiating marketing schemes and seeking out new business opportunities for the firm. He is the Past President of New England Chapter of IIBEC and remains a current Board Member of the chapter. Shawn has been the Chairman of the NE IIBEC Annual Golf Classic since 2017. A member of CAI, BOMA and the current President of Revere Youth Baseball and Softball. Shawn is also an active member with IREM Boston.
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Larry Hamel
Vice President of Preconstruction Services
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Larry leads the KBC diversified team of Project Managers, Assistant Projects Managers and Superintendents. His specialties include planning, scheduling and oversight of construction projects ranging from $4 Mil to $20 Mil. Larry possesses a LEED AP Certification, Lean Healthcare Certification Training, ASHE/AHA Healthcare Construction Certificate and OSHA Training and Certification.
John J. LaSpina
Project Manager
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Steve joined the KBC family in 2022 with over 30 years of industry experience. Steve charismatically takes challenges head on and masters anything that is new to him to help implement in the future. He specializes in quality, production, cost and time reduction for projects. Steve is well liked by his team members and peers. Always available to help and is also well respected by the executive team.
Don Arpin
Project Manager - Investigative Services
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Don brings with him over 30 years in construction experience. His experience includes 16 years of investigative work and spec writing. A weatherproofing expert, Don has worked as a consultant overseeing all below-grade waterproofing, roofing inspections and building envelope components for MIT, Fenway Park and Logan Airport terminals. Currently, he leads the KBC Investigative team and often works along side engineers and exterior envelope consultants during test cuts and exploratory investigations.
Lauren Knollmeyer
Project Manager
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Lauren joined KBC as a Project Manager in 2015 after graduating from Northeastern University. With years of Business Management experience, Lauren has worked hard to take on more responsibility within KBC and manage larger scale projects. Today, she consistently manages projects varying in contract size. She is our go-to person for historical projects, and specializes in communication, scheduling, and cost management. A Certified Passive House Builder, Lauren has also taken several LEED courses and is always mindful of a project’s impact on its neighbors, occupants, owners, and the environment.
Chris Akerman
Project Manager
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​Chris joined KBC in early 2023 with 30 years of industry experience. Chris has also held his CSL for 30 years and has a diverse background from having worked in the field as a Carpenter, Superintendent and in the office as a Project Manager and Estimator. He prides himself on projects he has completed, encompassing interior remodels through façade work.
Maddie Lapierre
Assistant Project Manager
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Maddie joined the KBC team after recently graduating from the University of New Hampshire with a degree in Mechanical Engineering. She is highly motivated, possesses great problem-solving skills, and is an excellent communicator. Maddie is detailed oriented and a methodical thinker which has made her an asset on all projects she assists with.
Phil Sheehan
Senior Superintendent
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Phil has been with Knollmeyer Building Corp for over 30 years. As a licensed Construction Supervisor and a 30 Hour OSHA Certificate Holder, he has supervised many complex projects. Phil epitomizes the Superintendent who works well with clients and subcontractors. He sees to it that each of his assigned projects gets done correctly and completed on time. Many of the KBC repeat clients request Phil to Supervise their projects and for good reason. He is one of the best Superintendents in the business!
Steve Fay
Vice President of Field Operations
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John joined the KBC Team 5 years ago possessing over 30 years of construction related experience. John has at least 16 years of project management experience and 4 years as a Purchasing manager. His construction experience includes management of projects ranging from $250,000 to in excess of $30 Mil. Educated at Wentworth Institute of Technology, he is LEED Certified, RRP Certified, possesses OSHA 10 and 30 hours Certifications and has taken CPR courses.
Graham Focke
Project Manager
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Graham is a recent graduate of the University of Massachusetts Amherst’s Building and Construction Technology program. He has been with Knollmeyer since 2020 and assists with writing contracts, the submittal process, and payments. In addition to this, he pulls from his experience in facility management to guide the day-to-day operations of his projects and communicate with subcontractors. Graham is always striving to expand his skillset and be a team player.
Mitch Herrick
Assistant Project Manager
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Mitch, a graduated from New England Tech School for Construction Management and possesses 7 years of construction related experience. His past experience includes beginning as a carpenter's assistant and later working as a carpenter on residential and commercial projects. Hired by KBC in January of 2019, Mitch has taken on APM duties which includes ordering materials and coordinating with the vendors for delivery. Mitch is also involved with closeouts of each project he assigned.
Alec Pascoe
Intern
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Alec joined KBC as an Intern for the summer of 2023. He is currently enrolled as a Senior at UMASS Amherst studying Building and Construction Technologies. He will be coming back as a full-time employee early 2024 as an Assistant Project manager. Alec will be ready to apply his technical skills to the projects and help execute these projects successfully and with minimal disruptions. Once Alec graduates in the spring of 2024, he will begin his career with KBC in the capacity of APM.
Sergio Perez
Superintendent
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Sergio has been an employee for Knollmeyer Building Corp for over 19 years. Sergio communicates well with Engineers, Architects, Property Managers and Building Inspectors in relation to the projects he is assigned. He specializes in working in occupied properties under construction. He is a licensed Construction Supervisor among other certifications. His expertise ranges from carpentry, masonry, tile installation to waterproofing and roofing.
Jake Bettencourt
Assistant Project Manager
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Jake joined the KBC family in 2023 after graduation from UMass Amherst with a degree in finance. With a background in residential construction and an eye for detail, Jake brings a different perspective to projects. He has been quickly learning while working on site and is eager to take on more projects.
Mike Maxwell
Safety Officer
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Mike has been part of the KBC Team for over 19 years. In 2017 Mike was named Safety Officer. Mike is an OSHA Authorized Outreach Trainer and trains the 10- and 30-Hour OSHA Safety Training Classes. He has been in construction for over 30 years and his specialties include onsite safety methods and instruction and he is also a Licensed Construction Supervisor.
Sean Flanagan
Superintendent
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Sean joined the KBC Team in late 2017. He brings along with him over 30 years' construction experience. His area of expertise includes the renovations and build outs of restaurants and office space. He excels in the areas of demolition, framing, sheetrock, taping and millwork. Sean, deservingly, was promoted to Superintendent in 2020.
John Pinksten
Superintendent
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John has been with the KBC family for 5 years. He specializes in all things carpentry and is an expert when it comes to flooring. John communicates well with Engineers, Architects, Property Managers and Building Inspectors in relation to the projects he is assigned. Given his experience, John is well prepared to ensure minimal disruption during construction and can quickly and reliably address any issues that arise.
Ken Shipley
Mchale Bridgeman
Superintendent
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Ken arrived at KBC in 2022 with over 20 years experience in the construction industry. His past positions include being employed as a yard manager for a construction firm. Years later, he was a foreman for 15 years for a construction firm in New Hampshire. As a Superintendent for KBC, Ken has supervised projects north of Boston and for projects located in New Hampshire. He continues to developed strong relationships with both the clients and the subcontractors and is an exceptional team player.
Superintendent
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Mchale was hired as an Assistant Superintendent at KBC in early 2022. He grew up with family who are in the construction field and began his career as a Laborer and an Assistant Carpenter on various residential projects. Amongst his peers at KBC, he is know to be very intelligent, energetic and always looking to help others on the projects he is working on. In late 2023, he received his Construction Supervisors License and was promoted to Superintendent and is considered a valued member of the KBC Team.
Jimmy Conley
Superintendent
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Jimmy has been with the KBC family for almost 25 years. Jimmy is an experienced carpenter who is known for his problem-solving ability and communication skills, keeping all parties informed throughout the course of a project. He specializes in working on occupied spaces, being ever mindful of the Owners’ and Residents’ needs.
Tyler Gagnon
Lead Carpenter
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Tyler joined the KBC family in 2022 bringing with him over 10 years of carpentry experience. Tyler values honesty and integrity and stands behind his work. He prides himself on the quality of his work and his commitment to outstanding results to guide a project to success. Tyler continues to lead our team of carpenters on projects and is considered one of our top leaders in the field.
Jon Pierce
Chief Estimator
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Jon brings 45 years of Construction Management experience to KBC. A past Board member of ASPE (American Society of Professional Estimators) and has 10 years experience as a Faculty Instructor at Northeastern University. His past experience also includes acting in the capacity of a Consultant to Contractors to set up their policies and procedures. Jon is a Massachusetts licensed Construction Supervisor Unrestricted and he possesses a great sense of humor.
James Pingeon
Beverly Randazza
Estimator
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James brings along enthusiasm and a drive to deliver great service to KBC's clientele. Initially brought on board as an Intern, James worked hard and joined the Project Management Team as an APM. Approximately one year following his promotion, James jumped at the opportunity to join the KBC Estimating office as an Assistant Estimator, where he thrives today as an Estimator. James has shown the ability to communicate well with clients and subcontractors and continues to grow professionally.
Accounts Payable/Payroll Manager
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Beverly joined the KBC team in November of 2015 and has quickly become a key member of the office and finance staff.  Beverly possesses over 22 years of experience in Accounts Payable and Receivable. She also graduated from Katharine Gibbs School in the Advanced Secretarial Program, and she is a graduate of Northeastern University with an Associate's Degree in Business Administration.
In Memory of Paul Quinlan
Former Warehouse Manager
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Paul was employed by KBC for over 28 years. ​ "Quinny", began his career with our firm as a mason. In 2001 he was promoted to supervisor where he remained for over a decade. Late in 2014, Paul was promoted to Warehouse Manager, where he organized the firm's 5000 square foot warehouse space and helped implement warehouse policies and procedures. Unfortunately, Paul passed away on April 6, 2021. He will be missed by all who knew him.