Construction
Services

VERTEX is unique in the industry as our team members have both real-world construction experience and forensic construction experience. This unique depth of services bolsters the quality of the construction we manage.


VERTEX’s construction solutions span the globe. Our fast paced growth over the past two decades is result of our ever commitment to responsiveness, value, quality, and safety. Over the past year alone, VERTEX has completed projects in the US, Canada, Mexico, South Korea, Bahrain, Kyrgyzstan, Afghanistan, Japan, Germany, and Cuba, just to name a few.

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Key Personnel

Managing Director

Mark Degenaars, LEED GA
Irvine, CA

Mark Degenaars, LEED GA

Mr. Degenaars is the Managing Director of the Construction group within The Vertex Companies, Inc. He has been with VERTEX for over 5 years with a primary focus as a consultant to the surety claims industry and private public developers. Mr. Degenaars brings over 20 years of project management, facility management, private / public development and construction experience to each assignment. Mr. Degenaars has successfully managed a large variety of projects ranging from various types of vertical construction to heavy highway / civil design projects. Mr. Degenaars has served as an expert and fact witness for a variety of projects. Prior to joining VERTEX, Mr. Degenaars owned and managed his own consulting firm for nearly a decade.

Vice President, Construction

Diana Minchella
Chicago, IL

Diana Minchella

Ms. Minchella manages the construction contract claims division globally. Ms. Minchella has a strong background in investigating and analyzing construction claims for contractors, owners, sureties and insurance carriers on a variety of projects including commercial, municipal, healthcare, transportation, wastewater treatment and solar facilities. Ms. Minchella has the experience and capabilities to review and defend against construction claims as well as to prepare affirmative claims. Her claims experience has involved construction delays, design defects, owner-initiated changes, unanticipated weather, differing site conditions, disruption, and defective work. As a claims consultant, Ms. Minchella has experience in analyzing schedules and calculating damages. Ms. Minchella also has a strong background in construction management and civil engineering with an emphasis in structural engineering. 

Senior Vice President

Jon Lemieux, PE
Weymouth, MA

Jon Lemieux, PE

Mr. Lemieux is a Senior Vice President at VERTEX. He earned a B.S. in Civil Engineering from the University of Massachusetts. Mr. Lemieux earned an M.S. in Civil Engineering/Construction Management from Worcester Polytechnic Institute. Mr. Lemieux is a licensed Professional Engineer in Massachusetts. He holds OSHA 10 Hour Construction Safety and OSHA 40 Hour HAZWOPER certifications. Mr. Lemieux is an active member of the engineering community, holding memberships with the A.S.C.E, B.S.C.E., and N.S.P.E

Mr. Lemieux is a highly respected consultant to the surety claims industry. He has a wide range of experience on projects in areas such as educational facilities, stadiums, offices, transportation, wastewater treatment, biotechnology, hotels, residential, detention facilities, and government military facilities, among others. Mr. Lemieux is an expert in all facets of the construction industry from conception through closeout.

Executive Vice President, TI & Restoration

Bob Bergeson
Denver, CO

Bob Bergeson

Mr. Bergeson, Executive Vice President of General Construction, Tenant Improvement (TI) and Restoration, has been working in construction and management for over a decade. At VERTEX, his expertise has quickly expanded from construction project management to include the management of his division, General Construction; projects consisting of TI and Restoration. Mr. Bergeson’s work ethic and skills have brought excellent results in his work. He has been able to successfully manage hundreds of TI jobs on time and within budget over the years.

Executive Vice President, Litigation Support

Ryan Phillips, PE, CCM, CEP, LEED AP, CDT
Denver, CO

Ryan Phillips, PE, CCM, CEP, LEED AP, CDT

Mr. Phillips has over a decade of construction management and construction claim experience in the Rocky Mountain Region. Specific expertise includes: surety consulting and project completion, owner’s representation, construction oversight, construction claim analysis and preparation, construction defect cost estimating, liability review for construction defect matters, construction bid package preparation, and cost to complete preparation. As the Executive Vice President of Litigation Support, Mr. Phillips oversees contract claims and other legal consulting requiring environmental, engineering and construction expertise.