Our Leadership

Guy Mingo
PRESIDENT & CEO

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. 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 is a Certified Building Services Executive and a leading figure in the building services contractors industry. 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

Chris is 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’ experience included setting operational strategies and executing them to achieve sustainable, profitable growth; executing aftermarket equipment business’ commercial operations, supply chain and operations strategies; and leading a number of large-scale transformations, acquisitions, and divestitures.

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

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 LEGAL & ADMINISTRATIVE OFFICER AND CORPORATE SECRETARY

Damon is the Chief Legal & Administrative Officer and Corporate Secretary for Marsden. Damon’s legal career has spanned several industries – from food service management to real estate to retail stores – giving him a wealth of understanding in diverse business operations and market drivers.

Damon’s areas of expertise include strategic planning; change management; employee engagement; safety, legal and compliance; risk mitigation and insurance; and labor and employment. Damon leverages his legal and business background to solve problems, drive growth within organizations, and ensure the long-term viability and success of each project. He also specializes in structural improvement; processes and workflows; corporate governance; internal auditing; crisis communication; technology systems; and problem resolution. 

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 DEVELOPMENT OFFICER

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. Tom 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
CHIEF OPERATING OFFICER – SECURITY DIVISION

Frank Flores is President and Chief Operating Officer of American Security and Investigations. 

Frank 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.