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Diamond T Services


Vanessa Ingalls

Chief Executive Officer

Ms. Ingalls has had a diverse career in the energy, environmental and construction industries. In addition to forming Bar Star Energy Services in 2013, parent to Diamond T Services, she supported the development and financing of a wide range of energy projects. She provided technically based management and due diligence for energy acquisitions and new development to help clients navigate risks, manage assets, and optimize production.

She has also supported a wide variety of Government projects where she served as a Fuels Engineer for the Energy Division of the Defense Logistics Agency and environmental remediation specialist for large scale military and Superfund projects.

Her strong technical and financially focused career has enabled her to create a fiscally responsible and effective climate at DTS. Ms. Ingalls holds a Bachelor of Science in Geological Engineering with a specialty in Petroleum Engineering and Economics from Colorado School of Mines.

Vanessas Ingalls - President of Diamond T Services

James Ingalls


Mr. Ingalls has 22 years of experience in the oil and natural gas extraction industry working in positions of operations, product innovation, and marketing and business development with Stallion Oilfield Services, Double D Enterprises, BW Oilfield Services and most recently Strad Energy Services, USA and Unit Drilling. He has developed several startup companies well beyond their natural potential through his ability to sell product, obtain and understand financing, and utilize his operational experience to effectively oversee day-to-day operations. His additional strengths lie in his ability to discern and exploit opportunities in a rapidly evolving industry as well as his ability to attract key support staff.

James Ingalls, President - Diamond T Services

Malcolm Waters

Vice President

Mr. Waters came to Diamond T Services in 2014, from Bar S Services, Inc. of Wyoming, where he held the position of Business Development Manager. Prior to Diamond T Services, Mr. Waters has held various positions in operations and at the corporate level within the Oil & Gas Industry, most recently at Strad Oilfield Services and Strad USA. Before entering the oilfield, he spent 15 years in commercial construction management. Mr. Waters’ knowledge and experience in customer service, operations, process development, personnel training and procurement are perfectly suited to promote market growth and ensure the success of Diamond T Services. Mr. Waters is a 7 year veteran of the United States Air Force and holds an Associate’s Degree in Electronics Systems Engineering.

Malcolm Waters, Vice President - Diamond T Services

Adam Davenport

General Counsel

Mr. Davenport joined Diamond T Services in May 2015 and serves as General Counsel in support of contracts and negotiations on behalf of the company.  In addition, Mr. Davenport advises the company on numerous topics including employment law and regulation, merger and acquisition matters, corporate governance and compliance and all other legal matters that arise on a daily basis.

Prior to joining Diamond T, Mr. Davenport was an associate at White & Jankowski in Denver where his practice focused on water and land use matters including water right adjudications and defense, title research and resolutions and water and land acquisitions.  Prior to joining White & Jankowski Mr. Davenport served as a judicial law clerk to the Honorable Elizabeth Strobel and the Honorable Dinsmore Tuttle in the Weld County District Court, 19th Judicial District.

During his career Mr. Davenport has represented clients in district court, the Colorado Court of Appeals and the Colorado Ground Water Commission.  Mr. Davenport obtained his J.D. from the University of Wyoming College of Law and is currently licensed in Colorado, Wyoming and Pennsylvania.