Our Leadership

Marsden’s leadership team has decades of experience in the building service contractors industry and across numerous disciplines.

Guy Mingo, President & CEO, Marsden Services

Guy Mingo


Guy is Marsden’s President and CEO and guides the strategy, growth, and goals of the entire Marsden enterprise. Guy began his career at Marsden in 1978 as a part-time cleaner and through his diligence was promoted into leadership positions, culminating in his promotion to CEO in 2002. During his tenure as CEO, Marsden has grown from a regional company to a national brand. Under his leadership, Marsden has grown by over 600%. Guy has also overseen 38 acquisitions and in 2011, partnered with the Woodley Family Trust to form a joint venture company. In 2011, Guy was elected to the Twin Cities Business Hall of Fame. In 2021, Guy was recognized as one of the most admired CEO’s of the year by the St. Paul/Minneapolis Business Journal.

Guy is a Certified Building Services Executive and a leading figure in the building services contractors industry. In 2020, Guy was awarded the Walter L. Cook Award for Distinguished Service by the Building Service Contractors Association International (BSCAI). This award is given to a BSCAI member who has made outstanding contributions to the industry and furthered the programs and image of building service contractors. Guy’s contributions to the industry also include his active involvement in the formation of the Cleaning Coalition of America (CCA).

Chris Hillman, Chief Operating Officer - Marsden Services

Chris Hillman


Chris Hillman is Marsden’s Chief Operating Officer, responsible for the ongoing operations of the organization as well as executing Marsden’s strategic long-term goals. Chris has over 25 years of experience developing, transforming, and leading global product and services businesses in the industrial, medical, consumer, government, technology, and entertainment industries.

Prior to joining Marsden, Chris served as Chief Operating Officer at Starkey Hearing, where he was responsible for execution of the company’s global operating plan, including setting the operational strategy and execution to achieve sustainable, profitable growth. Prior to Starkey, he served as Vice President and General Manager of Global Service Materials for GE Healthcare where he successfully executed the aftermarket equipment business’ commercial operations, supply chain and operations strategies.

Earlier in his career, Chris held multiple leadership positions at Scientific Games and Motorola where, in addition to his operational responsibilities, he led or co-led a number of large-scale transformations, acquisitions, and divestitures, including the merger of four competing companies in the gaming industry and the separation of Motorola into two publicly traded companies.

Throughout his career, Chris and his teams have been honored with numerous awards for leadership, product and service innovation, and operational and process excellence. He is recognized for establishing proven, scalable, best-practices and a passion for building and mentoring high-performance teams. Chris holds a B.A. in business from DePaul University and an A.A.S. in Electronics Engineering Technology from Joliet Junior College. He has also held a number of advisory and industry board positions.

Mark L. Thompson, Chief Financial Officer, Marsden Services

Mark L. Thompson


Mark is Marsden’s Chief Financial Officer and Treasurer and has over 30 years of experience in commercial and consumer industries, specializing in financial management, strategic business planning, and financial systems technology and implementation. Mark’s professional career includes working as a public accounting auditor before holding a variety of financial and management positions. Most recently, Mark was the CFO of a marketing group and then the CFO of an information services company. His wealth of experience across industries enables him to bring unique insights on information analytics and solutions; advancing financial goals; driving strategies for growth; and developing metrics to monitor progress toward financial and non-financial objectives.

Mark is recognized for his ability to build high performance teams, deliver results, and create collaborative business partnerships. He has a BA in Accounting and Organizational Communications from Concordia College and an MBA from the University of Minnesota. Mark currently serves on the leadership board for the Concordia College School of Business.

Damon Fraser, Chief Compliance Officer & General Counsel, Marsden Services

Damon Fraser


Damon is the Chief Compliance Officer and General Counsel for Marsden. Damon’s legal career has spanned several industries, from food service management to real estate to retail stores. His diverse background has given him a wealth of understanding in business operations and market drivers. In addition to his expertise as an attorney, he also specializes in integrating innovative technologies; improving structures; strategic planning; and developing key processes and workflows. Damon leverages his legal and business background in a creative way to solve problems and drive growth within organizations. He also has a strong financial focus to ensure the long-term viability and success of each project.   

Damon is a key business partner whose areas of expertise include all legal, compliance and administrative matters in the areas of mergers and acquisitions; risk mitigation and insurance; labor and employment; compliance; and environmental health and safety. Damon also specializes in corporate governance, change management, technology systems, internal auditing, problem resolution, and crisis communications. Damon graduated from the University of Minnesota and earned his law degree at the Mitchell Hamline School of Law. He served on the board of Nova Classical Academy and an advisor to Novation Education Opportunities, a Minnesota charter school authorizer.

Tom Kruse, Chief Operating Officer - Mergers & Acquisitions, Marsden Services

Tom Kruse


Tom is responsible for Marsden’s strategy development and execution for mergers and acquisitions, sales, and customer retention. Tom has been involved in the building service contractors industry for the whole of his career. He began as a cleaner and was promoted into management and administrative roles. He purchased Scioto Services, an Ohio-based janitorial company, in 1999. He became a Marsden employee when he sold Scioto Services to Marsden in 2005. Tom oversees all of Marsden’s mergers and acquisition efforts and during his tenure at Marsden, has been responsible for over 30 acquisitions. Tom specializes in identifying companies whose interests and values align with Marsden and creating mutually beneficial deals.

Tom is a Certified Building Service Executive through the Building Service Contractors Association International (BSCAI). He is a past Board President of the BSCAI and in 2019, Tom was awarded the James E. Purcell Leadership Award by the BSCAI for his long-term service to the building service contracting industry and the BSCAI. Tom earned his BA at Ohio State University.

Frank Flores, President and Chief Operating Officer, American Security and Investigations

Frank Flores


Frank Flores is President and Chief Operating Officer of American Security and Investigations. He has been in the security industry since 1993. Most recently, he worked with a regional security provider as their Chief Operating Officer, serving approximately 450 clients in the southeast with a P&L responsibility in excess of $400M and employee base of 4,500. Prior to working in the security industry, Frank spent a number of years in logistical operations and materials management. Frank brings a vast knowledge of the security field and vertical markets.

Frank is recognized for his analytical approach to business and is known for being a strategist with a fair and ethical approach. He has active memberships with ASIS International through which he also holds the designation of CPP, International Security Association, FASCO, FALI, and other organizations. He holds a Bachelor’s Degree in Business from DePaul University and a secondary Bachelor’s degree in Theology from Faith Christian University.

Rick Schomburger, Chief Operating Officer - Mechanical & Facility Management Divisions, Marsden Services

Rick Schomburger


Rick is the Chief Operating Officer of Mechanical and Facilities Management. Rick brings an extensive background in construction and management consulting. Prior to joining Marsden, Rick owned a construction company, which focused on resort properties. In this role, his company successfully earned contracts with The Ritz Carlton, La Paloma Resort, Hilton Head Marriot, Sky Pass Marriot, and many others. Most recently, Rick worked as the General Manager for a residential HVAC company in the Twin Cities. In addition, his prior experience includes holding the CEO position of a Private Equity firm which designed, fabricated, and installed signs. With facilities throughout ND and MN, Rick was able to secure the largest contract within the mid-West in this industry.

Rick’s key areas of expertise include strategic implementation, fiscal analysis, employee training, client relations, new business development, large-scale construction projects and revenue growth. He earned his BS in Engineering from Duquesne University and his MBA from the University of Arizona.

Peter Cain, Chief Operating Officer - Western Division, Marsden West

Peter Cain


Peter is the Chief Operating Officer for Marsden West. He oversees Marsden’s operations throughout the Pacific Northwest, Rocky Mountain Region, and Southwest. Peter has over 30 years of experience in the facility services industry and has been in leadership roles for the past 20 years. He has held positions in both operations and sales and his multidepartment experience has given him a wide range of knowledge. His areas of expertise include multi-unit P&L analysis and expense control; sales leadership; recruiting, hiring, training, motivating, and retaining employees; change management; expansion and new market development; concept branding and marketing; franchise development and relations; contract negotiations; and national account management.

Peter is a Certified Building Service Executive and a Registered Building Service Manager through Building Service Contractors Association International. He is also a Certified Franchise Executive through the International Franchise Association and a Certified Hospital Environmental Service Professional through the American Hospital Association. Peter has an MBA in Strategic Leadership from Messiah University. 

Chip Niswonger, Chief Operating Officer - Eastern Division, Marsden Services

Chip Niswonger


Chip is Marsden’s Chief Operating Officer for the Eastern United States, overseeing operations east of Lake Michigan and down through Florida. Chip has been in the building service contractors industry since 1990, beginning as an account manager and moving into more senior leadership roles throughout his career. Chip’s decades in the industry have given him a wealth of experience in developing programs for all vertical industries and understanding the specialized needs of different facility environments. Chip’s leadership focuses on delivering value to customers while providing an engaging and collaborative workplace for staff and maintaining TRIR rates below the industry average.

Chip has a Sociology degree from Ohio State University. Chip is committed to the local community, as evidenced by his volunteer participation with Buckeye Ranch, The Marysville Chamber Economic Development Committee, and the YMCA.

Richard Catchman, Chief Sales Officer, Marsden Services

Richard Catchman


Richard is the Chief Sales Officer for Marsden and leads Marsden’s national sales and operations efforts. Richard is also responsible for Marsden’s operational success in the southeast region of the U.S. He has decades of experience as a sales management professional and over 30 years of experience within the building service contractors industry. Previous to Marsden, Richard worked in the medical software industry, as well as held various leadership roles for building services companies, including sales and administration roles. Richard’s areas of expertise include developing and executing strategies for sustained growth, building strong client relationships, and overseeing large scale sales operations and managing sales teams. Richard also specializes in developing sales training curriculums, closing sales opportunities, administration, and contract management.

In 2019, Richard’s team received the Supplier of Distinction award from JLL for Innovation in a competition that spanned the Americas and Canada. In 2021, Richard’s team won the CBRE Americas Innovation competition. Richard is a board member for the Make-a-Wish Foundations’ Minnesota chapter. He was previously a board member for IFMA Minneapolis-St. Paul and US Green Building Council Minnesota Chapter. Richard has a BS in Finance from the University of Texas at Austin.

Sita E. Morantz, Chief Integration and Engagement Officer

Sita E. Morantz


Sita is the Chief Integration and Engagement Officer for Marsden and oversees the transition process for new acquisitions. Sita has been with Marsden since 2001 and since 2005, she has been involved in over 40 acquisitions for Marsden. She plays a key role in integrating acquisitions and implementing strategies for new business development from existing operations. Prior to her employment with Marsden, Sita worked in management consulting and has experience in industries such as travel and hospitality; retail; legal; public accounting; and sports, entertainment, and arena management. Her areas of expertise include acquisitions and mergers; human resources; leadership development; benefits; community engagement; workforce development; and procurement.

In 2008, the Minneapolis-St. Paul Business Journal named Sita one of its “Women to Watch.” Sita serves as Secretary to the Marsden Board of Directors and serves on the Board of Directors for Goodwill-Easter Seals Minnesota and Common Bond Communities. She is a Board Trustee for the Service Employees International Health and Welfare Trust.