Russ Rowzie, President and Owner

Mr. Rowzie has over thirty years of experience in the mechanical services space. He uses his depth of experience in managing commercial real estate to help clients understand how mechanical systems can give their business a competitive advantage. 

Mr. Rowzie holds a Bachelor of Science in Accountancy from Villanova University, and a Masters in Business Administration from George Mason University. He is a member of the Institute of Real Estate Management (IREM), the Building Owners and Managers Association (BOMA) International, and a founding member of the Washington Executives Association.

Shawn O’Sullivan, Field Service Manager

With over 15 years of experience, Shawn brings a wealth of expertise in service and installation, as well as a dedication to helping clients respond and adapt to changing needs.

Shawns technical knowledge spans critical repairs and installations, to innovative automation and building management solutions. His background is a perfect fit for the Trimark team, and our dedication to helping building managers make great decisions for their facilities.

Kristen Brown, Corporate Controller

During her 15 year tenure at Trimark Mechanical, Mrs. Brown has been integral to overseeing and improving our processes around finance, accounting, and human resources. She collaborates with Yolanda, Susan, and Teri in ensuring clients receive timely accurate invoicing, detailed financial reporting and real-time communication.  Mrs. Brown holds a Bachelor of Science degree in Accounting from George Mason University.

Thomas Rowzie, Client Services and Business Development

With his background in marketing and business management, Mr. Rowzie provides a superior customer experience to both new and existing clients. He works closely with dozens of clients, many of whom serve the community as churches, schools, daycares, and medical facilities, to help guide decisions around HVAC maintenance and replacement.

Devon O’Sullivan, Office Service Manager

With over a decade of experience, Devon brings a strong background in customer service and a dedication to addressing your needs with speed and attention-to-detail. Devon’s past work includes managing teams and client relationships at HVAC Unlimited and Commercial Express. Devon’s background is a perfect fit for the Trimark team, and our dedication to helping you make great decisions for your facility.

Derek Skender, Project Coordinator

Derek has spent the last 12 years in the HVAC industry, after serving in the U.S. 3rd Infantry since 1990. His focus on service, attention to detail, and emphasis on customer satisfaction make him the perfect addition to the Trimark Mechanical team.