Senator, Oregon State Senate, District 20, 2023-present

Member of House Interim Special Committee on Wildlife Recovery, Oregon State House of Representatives

Representative, Oregon State House of Representatives, District 40, 2017-2023

Candidate, Oregon State Senate, District 20, 2022

Member, Joint Committee On Semiconductors

Co-Chair, Joint Committee On Tax Expenditures

Member, Joint Subcommittee on Transportation and Economic Development

Chair, Senate Committee On Finance and Revenue

Former Member, Human Services and Housing Committee, Oregon State House of Representatives

Former Co-Chair, Joint Interim Task Force On Addressing Racial Disparities in Home Ownership, Oregon State House of Representatives

Former Member, Joint Subcommittee on Education, Oregon State House of Representatives

Former Member, Joint Ways and Means Subcommittee on Transportation and Economic Development, Oregon State House of Representatives

Vice-Chair of House Interim Committee on Veterans and Emergency Management, Oregon State House of Representatives

Member of House Interim Committee on Housing, Oregon State House of Representatives

Former Vice Chair, Transportation Policy Committee, Oregon State House of Representatives

Principal Broker/Owner, Avid Real Estate Executives, Limited Liability Company, 2019-present

Principal Broker/Owner, Summa Real Estate Executives, 2015-2019

Owner/Principal Broker, Markham Properties, Limited Liability Company, 2002-2015

Owner/Developer, Marks Hawthorne Pub/Mt Tabor Pub, 1991-2001

Served, United States Air Force, 1983-1990

Member, Rotary of Clackamas, 2014-present

Committee Member, Oregon Association of Realtors, present

Committee Member, Portland Metropolitan Association of Realtors, present

Commissioner, Clackamas County Economic Development Commission, 2015-2016

Commissioner, Clackmas County Community Planning Commission, 2012-2016

Team Development Chair, Milwaukie Relay for Life, 2005-2014

Chair/Member, Board of Directors, North Clackmas Chamber of Commerce, 2013

Member, City of Milwaukie Design and Development Task Force, 2011