David Marks

Senior Advisor

Meet David Marks

David Marks is Senior Advisor at Marathon Capital. In this role, Mr. Marks works with Marathon’s team to expand business development and calling strategies.

Mr. Marks has extensive experience in the energy industry and is an expert in wind and solar power project development and asset acquisition along with having acquired several combined cycle power plants. He has held senior leadership roles with High Road Clean Energy, Duke Energy, Tierra Energy, and Enron Corp. Mr. Marks was the Founder and President of Tierra Energy, a leading independent power producer focusing on renewable power project development and acquisitions. He facilitated the rapid growth of the company which culminated in a successful sale to Duke Energy.

Following the acquisition of Tierra Energy by Duke Energy, he served as Senior Vice President and led Duke Energy’s rapidly growing renewable energy business, overseeing all development, acquisition, strategy, and execution. He led Duke Energy Renewables to over 2.5 GWs of installed wind and solar generation capacity, deploying move than $4 billion in capital. He was involved and negotiated power purchase agreements with utilities, co-ops, municipalities, and corporate off-takers including Walmart, which was the first long-term corporate PPA with a utility-scale renewable energy project.

Mr. Marks holds his BA in Government from the University of Texas.