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August 28, 2015 10:54 AM ET

Capital Markets

Company Overview of Simmons & Company International

Executive Profile

Leigh Ann Ryan

AgeTotal Calculated CompensationThis person is connected to 4 Board Members in 4 different organizations across 5 different industries.

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Ms. Leigh Ann Ryan is a Principal of Riverstone. Ms. Ryan serves as Vice President at Riverstone Holdings LLC. Prior to joining Riverstone in 2001, Ms. Ryan served as an Analyst with Simmons & Company International and performed numerous quantitative and strategic analyses for private and public energy companies. Ms. Ryan’s assignments included public and private merger and acquisition transactions, private sales and equity market transactions. Prior to Simmons & Company, ...

Corporate Headquarters

700 Louisiana
Houston, Texas 77002

United States

Phone: 713-236-9999
Fax: 713-223-7800

Board Members Memberships

Director of CDM GP LLC -Gp


Bachelor's Degree
Southern Methodist University
Southern Methodist University

Other Affiliations

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