Marty has practiced public accounting since 2007. He specializes in state and local tax consulting and compliance services, including severance tax, property tax, sales and use tax, and income and franchise tax. Marty assists clients with state audit controversy, refund studies, process implementation, compliance, and state tax planning. He manages over $15B of asset value in property tax compliance/consulting annually. 

In 2016 and 2017, Marty served on the Colorado Department of Revenue's stakeholder group responsible for drafting the adopted regulations for the Colorado Severance Tax and is currently on the 2022-2024 stakeholder group. His previous experience includes four years working in state and local tax at a national firm.