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MCS Construction Services is a San Francisco based commercial general contractor. We specialize in full-service commercial interior construction, providing high-quality new construction, renovation and construction management services. Our primary mission is exceeding our client's expectations in all aspects of the construction process. Our values of integrity, excellence and accountability extend to all aspects of the project from estimating through closeout. We believe open communication between the project team and the client is a key component to the success of each project. We strive to be an advocate for all members of the project team, resulting in an industry leading project experience.

Dustin Martinoni



With over 20 years of experience in the construction industry, Dustin has held several top management positions with the highest ranking companies in the world. He approaches each and every project with an “out of the box” mentality and prides himself on providing innovative solutions to unique project opportunities.

George Charos

Senior Project Manager


Having worked in the construction industry for over 10 years, George has held many roles including Superintendent, Project Manager & Preconstruction Manager. He has experience in a variety of industries including Healthcare, Aviation, and Pharmaceutical, as well as Retail and Commercial Tenant Improvements. He specializes in fast-paced projects and excels at leading teams under pressure. George prides himself on professionalism and efficiency; always keeping the client’s interest at the forefront of every project decision.

Ed Papapietro

Senior Superintendent


Ed brings 32 years of experience to MCS with the last 20 years as a Superintendent in Downtown San Francisco. Ed has an impressive background in building high-end office space for some of the city’s most demanding clients. Ed started his career as a carpenter, has an amazing eye for detail and is a true master craftsman. Ed has recently completed projects for SnapLogic, Sonim and Beacon Properties.

John MacIntyre

Vice President


Over 30 years of experience in the construction industry, John has held high level Field Operation and Superintendent positions throughout the Western United States. His attention to detail aides in high level quality results in award winning projects. John fosters and cultivates some of the best client and subcontractor relationships in the San Francisco Bay Area.

Denton Toovey



Denton is our senior statesmen, bringing 40 years of experience to MCS. Denton started his career as an apprentice out of Carpenter’s Local 2046 in Martinez, California. He has worked on virtually every type of project during his amazing career, from the tract homes of the East Bay to the high rises of San Francisco. Denton excels at trade coordination and schedule management, never taking no for an answer from his crews. Denton recently completed projects for The California Wellness Foundation,  TNDC and Floatspa.

Richard De La Rosa



Rich started as a lather and plasterer working throughout the East and South Bay for 6 years. He then moved into Tenant Improvement Construction as a laborer in the South Bay, then a Junior Superintendent, eventually making his way to Superintendent in his fourth year in TI. With 9 years in TI Construction under his belt, he has worked on many projects throughout the Greater Bay Area, one of his most prominent being for Bain & Co. in the Salesforce Tower. Rich prides himself on his ability to troubleshoot problems in the field and being a great team player.

Matt Martinez

Project Manager


Matt started out in Finance and Risk Management before moving into the Project Management and Estimating fields. Having worked in the trades before coming to MCS, he has first hand knowledge of the industry from a subcontractor's perspective. This unique view allows Matt to understand and foresee the desires and needs of both subcontractors and building owners. 

Thomas Dishman
Thomas Dishman



Thomas brings 26 years of experience working from Washington, New Mexico and now California. He started as a carpenter working at Intel, the Department of Energy and the Los Alamos Laboratories in New Mexico.  Thomas leverages his years in the trenches to best manage the stresses and challenges of today’s job site. Thomas just completed the 32nd floor renovation at the Westin Saint Francis Hotel, their flagship entertaining venue on the top of this historic hotel.

Kevin Lant

Project Engineer

Strong program and Project Management professional with a Bachelor’s Degree from University of Kansas, focused in Cellular and Molecular Biology. Kevin is an experienced Project Engineer with a demonstrated history of working in the Construction Industry. Skilled in Research, Project Management software Procore, Microsoft Office Suite, and Customer Service. He is familiar with the technical aspects of Tenant Improvement projects including documentation, code issues, local planning and building departments, submittals, bid packages, cost estimates, and consultant coordination.

Shelbi Leith

Office Manager

With almost 10 years of Office Management experience and just under five years in the service industry prior to that, Shelbi tackles each task with vibrancy and dedication. Growing up within and around the construction industry provided a logical path to finding her place at MCS and she enjoys being the organizational force that keeps the team moving forward as they are constantly being pulled in many directions. Whichever "hat" she's wearing on any given day, Shelbi’s detail-oriented nature and passion for helping others provide her the ability to go above and beyond in every aspect of her work, empowering the team to keep growing as a whole.

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