Shivam Kumar – EIR Contributor*

Shivam joined Enverus in 2019 as part of the ‘Operator Profile’ Team and currently leads the same. He is a petroleum engineer who uses his core knowledge to create intelligent reports for prominent upstream companies operating in Lower 48. He is also an expert in automating processes via VBA and Python.

Turner Reisberger

Turner joined Enverus in April 2021. Turner earned a bachelor’s degree in petroleum engineering from Marietta College and an Executive MBA from Colorado State University. Turner previously worked at Anadarko Petroleum Corporation for 14 years in multiple reservoir engineering, business development, and planning roles across a variety of Lower 48 unconventional resource plays.

Scott Wilmot – EIR Contributor*

Scott Wilmot is a finance professional with more than 10 years of experience in the global energy infrastructure sector. In various corporate development and business development roles, he has been involved with regulated utility, renewable power and thermal generation assets.

Graham Bain – EIR Contributor*

Graham joined Enverus Intelligence Research (EIR) in 2020 with the acquisition of RS Energy Group. As lead of the subsurface group on the Energy Transition Intelligence team, Graham creates intelligent connections between the subsurface, emerging energy and carbon innovation technologies through 8 years of geoscience experience and a deep understanding of the energy transition. Prior […]

Marvin Ma – EIR Contributor*

Marvin joined Enverus in 2022 and brought seven years of engineering and financial experience from CNOOC (Nexen). Marvin is a part of the Intelligence team focusing on GOM and Latin America research. Marvin earned a bachelor’s degree in Petroleum Engineering from China University of Petroleum and a Master of Science in Chemical Engineering from the […]

Andy McConn – EIR Contributor*

Andy leads the Commercial Intelligence team and deepens Enverus’ group of technical and financial specialists by contributing to company valuations and play modeling. Prior to joining Enverus in 2019, Andy worked as an analyst for energy-analytics and E&P businesses for a decade. He holds a B.A. in Corporate Communication with a minor in Economics from […]

Dane Gregoris – EIR Contributor*

Dane joined Enverus in 2014. His previous work experience includes positions at GLJ Petroleum Consultants and Encana. Dane leads the Oil & Gas Intelligence team and oversees a group of technical and financial specialists using advanced analytics to provide actionable insights. In his role he advises both corporate and institutional clients on strategic investment decisions […]

Nick Volkmer – EIR Contributor*


Nick leads Enverus’ ESG efforts and supports the energy transition efforts, helping the industry navigate the evolving market landscape. He joined Enverus (ITG) in 2015 and initially focused on onshore U.S. asset valuation and optimization, leading the Gulf Coast research team. Nick graduated from Queen’s University with a degree in engineering chemistry and earned his […]

Heather Leahey – EIR Contributor*

Heather joined RS Energy Group (now Enverus) in September 2018 and leads the Low Carbon Fuels and ESG research teams. Heather earned a degree in chemical engineering and management from McMaster University and previously worked in exploitation and production roles at Birchcliff Energy and ConocoPhillips. At Enverus she contributes to technology screening, economic analyses and […]

Ian Nieboer – EIR Contributor*


Ian leads the Enverus Intelligence – Energy Transition Research team. Previously, Ian worked in product management roles in Enverus’ growing ESG business, leading Enverus’ Global (International) Energy Analytics business and as a publishing analyst with Enverus’ Intelligence – Oil & Gas Research team where he helped investors and asset owners navigate the energy market. Over […]

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