Our Team


Greg Lason, PE

Greg Lason, PE


Greg Lason, PE, CDT is an Illinois Licensed Professional Engineer who has been working in the condominium and townhome industry since 2002. Mr. Lason has been an active member of the Community Associations Institute (CAI) Illinois chapter since 2005. His involvement in CAI has included speaking at the annual trade show, authoring articles for the chapters’ magazine, and co-chairing the Golf Outing Committee.

Mr. Lason specializes in preparing construction specifications, moisture evaluation, roofing evaluation, façade evaluations, balcony retrofits, EIFS/Dryvit evaluations, and construction management projects.  Mr. Lason developed many relationships with product suppliers and manufacturer representatives as well as gained a much better appreciation for what it takes to complete large capital improvement projects during a brief stint with a roofing and siding contractor.

Mr. Lason became President of Engineering Support Services in February, 2015. As President of ESS, Mr. Lason is responsible for day to day operations and all services performed by ESS. Mr. Lason relies on his vast experience and client relationship development to guide the continued growth of ESS.

Chuck Clark

Chuck Clark

Director of Construction Services

Mr. Clark brings nearly 40 years of experience in the construction industry to our clients. During that time, Chuck gained expertise in general carpentry, site supervision, subcontractor coordination, material and equipment purchases and development of cost estimates.

After receiving his bachelor’s degree, Chuck went to work as a superintendent for a general contracting firm. During this time, he was involved in ground-up construction of several high-rise buildings in the Chicago area. As a construction project manager for an award-winning, full-service architectural, planning and engineering firm, Chuck spent the next 13 years building his planning and project management skills. Mr Clark also was Quality Control Manager for the construction of the CSSC Fish Barrier 1 Building for the United States Army Corp of Engineers. As part of this project, Chuck worked with the “three-phase control system” as specified by the USACE.

Chuck’s extensive experience in managing large construction projects makes him a great resource for our clients. He lends his knowledge of quality control and his project management skills to construction and remediation projects of all sizes.

Michael Brown

Michael Brown

Senior Director of Engineering

Michael Brown is a licensed architect with over 27 years of experience in building design and construction.  Michael graduated from Montana State University in 1990 with a Bachelor of Architecture degree.  For the next eight years he worked in the northwest and acquired his architect’s license. In 1998, he moved to Illinois, where he continued his architecture career.

Mr. Brown’s wealth of experience has given him the opportunity to be involved in a wide variety of unique commercial and residential projects.  His work has been recognized by the Northeast Illinois Chapter of the American Institute of Architects, Industrial Perforators Association, and the Illinois Association of School Boards.  Two of Michael’s designs have achieved LEED – Gold and Platinum certification.

Mr. Brown has been a Board Member and Secretary for the Harbor Springs Property Owner’s Association since 2001. His involvement with the board provides a unique perspective to his work for ESS clients.

Darren Chrisop

Darren Chrisop

Director of Marketing & Construction Manager

Darren brings a track record of over 25 years of accomplishments. He has been successful in building development programs, marketing management, contract administration, insurance and the execution of complete projects.

After graduating from Southern Illinois University, Darren went right to work developing senior retirement communities for a large health care organization in western Illinois. Darren has also worked for some of the nation’s largest insurance companies. During that time, he built expertise in marketing, estimating, claim assessments, restoration and mitigation work.

Darren has deep experience in the construction industry. Most recently, he owned a successful design/build company for 10 years. This company focused on new construction and renovations from conception through project close out.

Darren’s experience and relationship building skills enable him to work effectively with all team members and clients. The result is longstanding relationships built on trust.

Can your engineering department use the experience and expertise of the ESS team?

Contact us today!