After leaving active duty, Mark worked for a defense consulting firm, developing twice the amount of business expected of a new consultant in his first year. He left consulting to return to public service in the Federal Senior Executive Service. In the Office of the Secretary of Defense, Program Analysis and Evaluation, Mark spearheaded another high profile project, leading the team that developed the initial cost estimate for the invasion of Iraq in 2003.
Recruited to private industry, Mark left defense for mining and energy where he was hired to turn around a struggling coal mine. Mark has consistently demonstrated strong business acumen, sound decision-making and agility in learning new industry sectors. He earned a promotion to President within 18 months, running the second largest coal mine in Texas, which ships almost seven million tons of coal per year. Through his vision, strategic agility and innate ability to deal with ambiguity, he led a financial turnaround that took the mine from a $12 million loss to a $13 million gain in one year.
Rapidly promoted to corporate Vice President of Strategic Planning for the parent company, he collaborated with the VP of Finance to secure $135 million in financing for mining operations. He led the turnaround of a troubled IT ERP implementation project that was 300% over budget. Through team building, a focus on creative problem solving and strong technical knowledge, he forged a working system, on budget, in less than a year. Taking on new challenges, Mark added the duties of corporate risk manager where he restructured the company’s entire insurance and surety coverage.
In December 2009, Mark became President and CEO of ADSS, Inc. (Advanced Distributed Sensor Systems) a Colorado-based company that developed, manufactured, and provided life-cycle service for remote distributed sensor systems for the Federal government, first responders and commercial customers. Under his leadership the company was selected as one of “50 Colorado Companies to Watch” by the Colorado business community. Also, he raised several million dollars in investment capital to expand the company and move it into commercial markets.
In 2012 Mark and his wife, Anne, founded AnneMark Enterprises Inc. and formed Griswold Homecare of Colorado Springs and Douglas County. Mark serves as Chairman of the Board and CFO. Additionally, Mark taught business-related courses at Colorado Technical University (CTU) as an adjunct instructor.
Returning to national service in 2013, Mark accepted the position of Program Manager – Continuous Improvement and Program Support in the Department of the Interior’s Office of Natural Resources Revenue. In February of 2016, Mark returned to CTU where he assumed the role of Regional Vice President of Colorado Campuses and Executive Director of MilVet Programs. In 2019, Mark followed his passion to serve our youth and is currently the Chief of Staff at Aurora Public schools where he serves 40,000 students and over 5,000 faculty and staff.
He served as Chairman of the Board of Trustees of Colorado Technical University and is a former member of the National Board of Directors of the Military Officer’s Association of America (MOAA). He earned degrees from the Wharton School of Finance and Commerce and the Naval Postgraduate School. He is a Senior Executive Fellow of the JFK School of Government at Harvard University.