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 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.

Kirsten Van Hulzen
CHIEF HUMAN RESOURCES OFFICER

Kirsten is responsible for Marsden’s human resources strategy, leading enterprise-wide initiatives around talent management, organizational performance, employee engagement, and change management. She is known for translating business vision into employee-focused solutions that enhance productivity and improve workforce experience.

Kirsten joined Marsden in 2023 as Vice President of Human Resources for Marsden Central and was later promoted to Chief Human Resources Officer. Prior to joining Marsden, she served as Senior Director of Human Resources Operations at Shutterfly, where she supported 15,000 employees and drove enterprise-wide HR process improvements. Her leadership has resulted in streamlined onboarding, the introduction of HR analytics tools, and measurable gains in efficiency and employee retention.

Kirsten earned her MBA from the University of Minnesota’s Carlson School of Management and is recognized for building high-performing teams, leading systems transformations, and using data-driven insights to advance human capital strategy.

Tom Kruse
CHIEF DEVELOPMENT OFFICER

Tom leads Marsden’s strategy for mergers and acquisitions, sales, and customer retention. With more than two decades of experience in the building services industry, Tom brings deep operational insight and a hands-on approach to creating lasting client and employee relationships.

He began his career as a frontline cleaner before purchasing Scioto Services in 1999 and later selling the company to Marsden in 2005. Since joining Marsden, Tom has led over 45 acquisitions and has helped expand the company’s national footprint while preserving the identity and value of local brands. He is known for identifying strong cultural fits, leading seamless transitions, and maintaining operational continuity through change.

Tom is a Certified Building Service Executive and a past Board President of the Building Service Contractors Association International. In 2019, he received the James E. Purcell Leadership Award for his long-standing contributions to the industry. Tom earned his degree from Ohio State University.

Tim Keller
PRESIDENT OF SECURITY AND DISTRIBUTION SERVICES

Tim leads Marsden’s Security and Distribution Services businesses, bringing more than 25 years of experience in operations, security, and business development. He is responsible for driving strategic growth, ensuring service excellence, and overseeing day-to-day operations across both divisions.

Prior to joining Marsden in 2022, Keller was the Region President for Securitas Security Services’ Northeast region. Tim has held multiple leadership positions throughout his career where he has been responsible for large-scale operations and driving consistent quality standards across different teams in various environments. He is known for building high-performing teams, navigating large-scale integrations, and leading with a client-first mindset. He has a proven track record of designing and implementing operational solutions to drive predictable outcomes and enhance capacity. He has led different business units through various economic cycles and regulatory environments while simultaneously accelerating business growth and transformation.

Tim has an MA in Business and Organizational Security Management from Webster University. He has on the board of advisors for Belfry Software.

Chris Ellis
PRESIDENT – WESTERN DIVISION

Chris leads Marsden’s Western Division, where he is responsible for operations, client satisfaction, and regional growth across a wide geographic footprint. He joined Marsden in 2020 and has steadily advanced through the organization, first serving as an Operations Manager and then as Director of Operations for the Phoenix market.

With over 20 years of experience in facility services and janitorial supply, Chris brings a deep understanding of the operational landscape and a hands-on approach to leadership. His expertise spans training and development, process improvement, financial performance, contract compliance, and inventory systems. Throughout his career, he has earned a reputation for building strong teams, strengthening customer relationships, and driving operational efficiency.

Chris earned his degree from the University of Puget Sound and is known for his collaborative mindset and commitment to continuous improvement. He works closely with colleagues across Marsden to elevate performance and deliver consistent service throughout the Western region.

Mary Mortensen
PRESIDENT – CENTRAL DIVISION

Mary leads Marsden’s Central Division and is responsible for driving growth, standardizing operations, and empowering teams across the region. She brings more than 25 years of experience in service and retail industries and brings a unique combination of experience in both operations and HR leadership roles.

Prior to joining Marsden, Mary was the Vice President of Lifetouch’s Field Operations Support division. Mary has extensive experience designing and delivering strategies to support extensive field-based operational structures. She has been involved in developing a large-scale reorganizational plan to transition from a divisional approach to an enterprise-based function, as well as implementing and managing initiatives to generate cost efficiencies, improve operational timelines, and deliver growth. Mary has a service-focused mindset and is experienced in strategic planning, implementation, and leading high-performing teams. Mary is known for her ability to translate strategic vision into practical solutions; supporting, empowering, and developing frontline associates, leaders, and teams; standardizing processes and implementing tools to expand capabilities; and strengthening operations to continue growing the business.

Mary has a BA in Business Administration and Marketing, Magna Cum Laude, from the University of Minnesota Duluth.

Mark Dorenkott
PRESIDENT – SOUTHERN DIVISION

Mark is responsible for overseeing Marsden’s operations in the southern United States, including Texas, Florida, and the Gulf Coast area. Mark brings over 19 years of professional experience in management, planning, strategy, operations, safety, customer service, employee training, cost reduction, and supplier management.

During Mark’s career, he has delivered measurable improvements to customer satisfaction, company value, strategic planning and implementation, employee training, and employee morale. Mark’s areas of specialization include planning, operations, financial management, business development, profit and loss accountability, sales support, recruitment, training, cost reduction, and supplier and vendor management. Previously Mark has managed several supply chain projects that included operational excellence and improvements, sales support, finances, and overall cost reduction. The workplace safety protocols Mark implemented markedly reduced injuries and lost workdays.

Mark’s accolades include the 2012 Shred-it Outstanding Achievement Award – Orlando, the 2008 Cintas Outstanding Achievement Award – Southeast Region, and the 1995 Ferguson Enterprises Associate of the Year Award. Mark earned his B.A. with a double major in Purchasing and Production from Bowling Green State University in Bowling Green, Ohio.

Chip Niswonger
PRESIDENT – EASTERN DIVISION

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.

His 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.

Peter Cain
PRESIDENT – CUSTOMER EXPERIENCE & SERVICE DELIVERY

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.

Bryna Krentz
EVP OF FINANCE

Bryna is a strategic and operational senior finance executive with deep expertise in delivering growth and optimizing performance. She is known for developing and leading high-performing teams; understanding and creating connections across the business; and using the power of analytics to drive performance.

Prior to joining Marsden, Bryna was Senior Vice President of Finance at Cargill, where she served as CFO of the corporate segment. In this role, she had financial accountability for all global functions and led strategic and transformation efforts across the enterprise. This included various functions leading to improved processes, service delivery and value creation. Prior to this role, she was serving as the leader of Corporate Financial Planning & Analysis and the Transformation Management Office, leading forecasting, budgeting and long-range planning for the corporation, as well as transformational initiatives that significantly improved efficiency and effectiveness. Prior to her time with Cargill, she spent 14 years with General Mills in various financial leadership roles for several brands and functions, including Innovation, Supply Chain and Sales planning. Bryna graduated from the University of St. Thomas with a Bachelor’s degree in Economics and Financial Management and received her Master’s in Business Administration from the University of Minnesota – Carlson School of Management.

Mark Baranczyk
EVP OF BUSINESS DEVELOPMENT

Mark is responsible for overseeing Marsden’s sales organization and driving the strategy and execution of our organic growth. Mark is a seasoned executive in the service industry with experience in business development, sales operations, and customer experience. He is known for his innovative strategies that drive revenue growth and customer satisfaction.

Prior to joining Marsden, Mark held the position of Senior Vice President of Sales & Customer Experience at TruGreen, where he led a team of over 4,000 sales and customer service associates. At TruGreen, Mark developed and executed comprehensive sales strategies to drive revenue growth, expand market reach, and enhance customer satisfaction by optimizing sales operations, identifying opportunities for operational improvements, and fostering a strong customer focus. Mark’s expertise includes developing data-driven pricing strategies, revenue operations oversight, account management, building high-performing teams, improving processes, and leveraging data analytics and market insights to drive results. Mark has a successful track record of delivering revenue growth through modernized sales initiatives and managing extensive portfolios while developing successful strategies for continued growth.

Mark holds a bachelor’s degree in marketing from UW-Madison.

Richard Catchman
VP OF BUSINESS DEVELOPMENT

Richard leads Marsden’s national sales strategy, with more than 30 years of experience in the building services industry. He oversees a nationwide sales team and is responsible for client relationships, strategic growth, and sales operations across the company.

Richard joined Marsden in 2005 and has been instrumental in the company’s expansion through innovative sales training programs, consultative selling strategies, and a strong focus on customer value. Earlier in his career, he held leadership roles in administration and sales at Thyssenkrupp and led the Midwest sales operations for OneSource. He also founded PracticeWare, a software company serving the healthcare industry.

Richard’s teams have received multiple national awards for innovation. He has served on the boards of Make-A-Wish Minnesota, IFMA Minneapolis–St. Paul, and the US Green Building Council Minnesota Chapter. He holds a degree in Finance from the University of Texas at Austin.

Aubrey Cain
VP OF MARKETING & COMMUNICATIONS

Aubrey oversees Marsden’s marketing and communications departments, and is responsible for developing and executing strategic marketing, branding, and communications initiatives to enhance the organization’s visibility, engagement, and reputation. Aubrey has more than 15 years of experience in the facility services industry, and her career spans corporate leadership, higher education, nonprofit development, and consulting, giving her a deep understanding of strategic communication, brand development, and audience engagement across diverse sectors.

Aubrey’s areas of expertise include marketing strategy; corporate communications; brand positioning; research; data analysis; cross-functional collaboration; and content development. She also brings extensive experience in higher education instruction, thought leadership, and nonprofit fundraising. Aubrey has extensive experience in driving messaging alignment, enhancing organizational reputation, and supporting business growth. Aubrey holds a master’s degree in English from The University of Tulsa and a BA in English from Whitworth University.