About
Michael J. Lansing is a Wyoming lawyer and partner at Chapman Valdez & Lansing Attorneys At Law, whose practice focuses on business and transactional matters. He handles real estate law, commercial transactions, mergers and acquisitions, banking, business entities, employment issues, and oil and gas matters. His work includes representation involving the Wyoming Association of Realtors. He brings more than two decades of legal experience to transactions and works to move complex matters toward completion.
Michael earned his B.S. in Finance and an M.B.A. from the University of Wyoming. He later received his J.D. from the University of Wyoming, graduating second in his class. During law school, he served as a Case Note Editor for the Wyoming Law Review. He then clerked for the Honorable Clarence Brimmer in the US District Court for the District of Wyoming.
Michael developed substantial financial and administrative experience before and during his legal career. Before law school, he worked as a financial analyst for Conoco Oil and as a mineral and sales tax auditor for the State of Wyoming. He later served as Director of Child Support Enforcement and as Sheridan County’s first County Administrator. His professional background also includes work as an energy lender and in-house counsel for First Interstate Bank in Casper.
Michael J. Lansing has been a partner since joining Chapman Valdez & Lansing Attorneys At Law in 2014. His background in finance, banking, government administration, and law supports his work on commercial and transactional matters. He returned to Sheridan after spending 12 years in Casper and opened the firm’s second location there. His practice combines legal and financial experience in matters involving businesses, property, banking, employment, and energy.
Law Office Affiliations
- Partner, Chapman Valdez & Lansing, Attorneys, and Counselors at Law
- Member, Wyoming State Bar
Licensed State
- Wyoming
Education
- University of Wyoming
Juris Doctor (JD) - University of Wyoming
Master of Business Administration (MBA) - University of Wyoming
Bachelor of Science (BS)

- Banking & Finance
- Mergers & Acquisitions
- Oil & Gas
- Commercial Real Estate
- Residential Real Estate




