Our Team

Eagle River Team

The Eagle River Advantage​

Eagle River has a team of industry professionals with diverse backgrounds in finance, land, business development, engineering and geology. Our team continuously evaluates and develops direct relationships with the dynamic groups of buyers and sellers in the oil and gas industry and provides a platform for competitive marketing processes yielding premium valuations for our clients.


Mike Stolze
Senior Managing Director

Mike Stolze is based out of Greenwood Village, Colorado. Mr. Stolze has over 20 years of finance and investing experience, with 15 years focused exclusively on the energy sector

Prior to joining Eagle River Energy Advisors, Mr. Stolze was Vice President of Origination at SFC Energy Partners where he led the firm’s business development function including the origination, evaluation, negotiation, structuring and closing of new investment opportunities. While at SFC Energy Partners, Mr. Stolze originated over 475 investment opportunities, closed $350 million of capital commitments to new portfolio companies and was a board member at Armor Energy, Frostwood Energy and Sedalia Energy.

Prior to joining SFC Energy Partners, Mr. Stolze was a Director with Northwestern Mutual Capital where he focused on private debt and equity transactions in the energy sector. During his tenure with Northwestern Mutual Capital, Mr. Stolze closed 42 transactions across the energy markets, representing $1.9 billion of capital commitments. Prior to joining Northwestern Mutual Capital, Mr. Stolze was an equity research analyst with a boutique equity research and investment banking firm in Austin, Texas covering micro-cap oil and gas companies. Mr. Stolze began his career with Ernst & Young in their mergers & acquisitions advisory practice where he concentrated on private equity transactions.

Mr. Stolze is a Certified Public Accountant and received his BBA in Accountancy from the University of Notre Dame and his MBA in Finance from the University of Texas at Austin.

Austin McKee Managing Director

Austin McKee is based out of Greenwood Village, Colorado. Prior to founding Eagle River Energy Advisors, Mr. McKee began working for Transcontinent Oil Company in 2008. He later accepted a position as a Landman for Golden Eye Resources, LLC in 2009 where he spent the majority of his focus acquiring and managing operated and non-operated working interests in the Williston Basin of North Dakota and Montana.

Mr. McKee was later promoted as Vice President in 2012. Mr. McKee played an intricate role in the acquisition and leasing of nearly 120,000 gross acres in North Dakota and Montana in all of the major counties prospective for the Bakken/Three Forks shale development.

Mr. McKee has an extensive energy background in property evaluations, including land, economics, reserve report analysis, and numerous other acquisition parameters.

Mr. McKee attended the School of Business at the University of Montana where he received a double major in Management and Marketing.

Chris Martina
Chris Martina Technical Director

Chris Martina is based out of Greenwood Village, Colorado. Chris has 16 years of oil and gas experience working in numerous engineering and management roles with operators and service providers, across multiple U.S. oil and gas basins.

Prior to joining Eagle River, Chris worked at Whiting Petroleum Corporation for 8 years in various engineering positions before being promoted to Joint Interest Operations Manager in 2017. In this role, Chris led a multi-discipled technical team of 8, creating maximum shareholder value and sustained financial performance by effectively managing Whiting’s joint interest assets and high grading the company’s non-op portfolio. Under Chris’s leadership, the group generated over $150 million dollars in positive free cash flow during the three years he held this position.

Prior to joining Whiting in 2011, Chris began his career in 2007 working for Hess Corporation in their new engineer development program. During this time, he held positions as Bakken Operations Engineer, Production Engineer, and Reservoir Engineer, while also completing an international drilling assignment in Equatorial Guinea on the West Africa Drilling Team.

Chris has a Bachelor of Science Degree in Petroleum Engineering from Montana Technological University.

Lisa Gusek Geology

Lisa Gusek is based out of Greenwood Village, Colorado. Ms. Gusek has over 30 years of exploration, exploitation and development experience as a petroleum geologist, primarily focused on the Rocky Mountain region. During her career, Ms. Gusek has specialized in evaluating potential acquisitions, drilling prospects and leasehold opportunities.

Prior to joining Eagle River, Ms. Gusek was a contract geologist with NP Energy Services where she evaluated multiple acquisition opportunities in the Powder River, San Juan, Uinta, Green River and DJ basins.

From 2015 to 2017, Ms. Gusek worked for Caerus Oil & Gas as their lead geologist over the DJ basin. She was responsible for evaluating acquisitions in the DJ, Williston, Powder River and East Texas basins. Ms. Gusek was a senior geologist with Castleton Commodities International prior to joining Caerus Oil & Gas. Here she was responsible for evaluating potential acquisitions throughout the Rocky Mountain region and East Texas. From 1998 to 2012, Ms. Gusek was based in Farmington, New Mexico where she worked as a senior geologist for DJ Simmons, Inc. and Synergy Operating identifying and evaluating potential acquisitions in the San Juan, Paradox and Green River basins.

Earlier in her career, Ms. Gusek worked for Basin Exploration, Gerrity Oil & Gas and Martin Exploration with a primary focus on the DJ and Powder River basins. She played an integral part in the early development of the Niobrara and Codell in Wattenberg Field and along the western flank of the DJ basin.

Ms. Gusek received her BS in Oceanography from Humboldt State University and her MBA in Finance from the University of Colorado at Boulder.

Steve Florentine
Steve Florentine Land Director

Steve Florentine is based out of Denver, Colorado. Mr. Florentine has over 10 years of land and business development experience in the oil and gas industry, primarily focused in the Rocky Mountain region.

Prior to joining Eagle River, Mr. Florentine worked at Anschutz Exploration Corporation for 10 years in various land and business development positions where he was primarily responsible for the company’s horizontal development program in the Powder River Basin of Wyoming. Prior to his tenure at Anschutz, Mr. Florentine worked at Crested Butte Bank as a commercial loan officer.

Mr. Florentine received his BBA in Business Administration and Petroleum Land Management from Western State Colorado University

Kyle Sabo Reservoir Engineer

Kyle Sabo is based out of Greenwood Village, Colorado. Mr. Sabo has over 15 years of engineering experience in oil and gas with various operators primarily focused in the Rockies and Permian regions.

Prior to joining Eagle River Energy Advisors, Mr. Sabo’s experience included the responsibilities as a reservoir engineer at Jagged Peak Energy, SRC Energy, Anadarko Petroleum, and as an independent contractor for Bison Oil and Gas. Mr. Sabo led evaluations of acquisition and divestiture opportunities, SEC reserves reporting, and acreage development optimization. Mr. Sabo leveraged comprehensive datasets to develop full cycle economic evaluations of acquisitions which led the teams to deliver well-informed and data-driven offers for asset acquisitions.

Preceding his role as a reservoir engineer, Mr. Sabo dedicated six years as a Production Engineer and Operations Engineer with Anadarko Petroleum where he honed his expertise in maximizing well production utilizing industry standard and self-developed well optimization strategies.

Mr. Sabo received his MS in Engineering and BS in Engineering Physics from the Colorado School of Mines.

Blake Nance Associate

Blake Nance is based out of Denver, Colorado. Prior to joining Eagle River Energy Advisors, Mr. Nance began working for Bearcat Land, a Land Brokerage in Oklahoma City, Oklahoma, working as a Landman. He later went on to intern for Whiting Petroleum Corporation in Denver, Colorado, also working as a Landman. Most recently, Mr. Nance had worked for Vertafore, Inc. as an Account Executive, providing multiple solutions to Independent Insurance Brokerages and Agencies across the United States.

Mr. Nance has a background in land, title analysis, business development, and an extensive background in sales.

Mr. Nance attended the Michael F. Price College of Business at the University of Oklahoma where he received a BBA in Energy Management.

Kari Bleyle Manager/Controller

Kari Bleyle is based out of Greenwood Village, Colorado. Ms. Bleyle has 26 years of experience in financial management, accounting, land, legal, and corporate organization. She has managed all financial aspects of McKee-related entities in the oil and gas industry, real estate industry, and investments.

Mrs. Bleyle received both her BSBA and MBA in General Business from the University of Denver.