The top 25: #24 George Coyle, ConocoPhillips

Rank last year: 24

George Coyle has for three years managed US-based oil and gas company ConocoPhillips’ corporate venturing deals, including its investments in multi-corporate fund Energy Technology Ventures.

Between 2007 and 2009, Coyle was chief executive of DeepFlex, which raised more than $35m in venture capital. He previously worked for 18 years at oil and gas company Chevron until the end of 2007, where he rose to a ventures role and served on the boards as either director or observer with eight portfolio companies.

He received an MBA from Tulane University, a geology masters degree from University of Kansas and a degree in earth sciences from University of New Orleans.