What departments does First Reserve have?

First Reserve has employees across 11 departments including Accounting, Finance, Information Technology, Media & Communications, Human Resources.

What is the largest department at First Reserve?

The largest department at First Reserve is Administrative with 6 employees.

Where are First Reserve employees located globally?

First Reserve has employees across 3 continents and 4 countries including United Kingdom Of Great Britain And Northern Ireland, Spain, United States Of America, Korea.

How has First Reserve's team size changed over time?

First Reserve's team has decreased from approximately 174 to 61 employees based on available data.

First Reserve Employee Directory

Investment ManagementConnecticut, United States51-200 Employees

First Reserve is a global private equity firm focused on the energy, utility, and industrial sectors. Founded in 1983 and based in Stamford, Connecticut, it operates with a broad international footprint that spans six continents. The firm pursues a long history of capital deployment through platform investments and add-on acquisitions across varied markets.

Its strategy relies on a robust network of relationships in its target markets to support proprietary sourcing and thorough evaluation of opportunities, and to enhance the performance of its portfolio. Additionally, in December 2025 the firm appointed Caroline Theodoridis as Director of Capital Formation and Investor Relations.

First Reserve Global Highlights

North America
214

United States Of America
214

Europe
6

United Kingdom Of Great Britain And Northern Ireland
5
Spain
1

First Reserve's Leadership

A. S.
Managing Director
Mobile Phone
Email
C. S.
Owner
Mobile Phone
Email
K. M.
Managing Director
Mobile Phone
Email
S. D.
Interim Chief Financial Officer Chief Accounting Officer And Senior Vice President
Mobile Phone
Email
S. R.
Founding Partner
Mobile Phone
Email
V. T.
Partner And Chief Financial Officer
Mobile Phone
Email
W. H.
Managing Director
Mobile Phone
Email
W. H.
Managing Director
Mobile Phone
Email

First Reserve Employee Metrics

100%

50%

0%

2026

2025

Accounting
Analytics
Finance
Legal
Marketing
Other
Administrative
Consultant
Information Technology
Sales
Banking
Community & Social Services

Contact profiles from First Reserve

Name

Title

Contact

Location

Last Update

B. H.
Associate
Mobile Phone
Email
Oct 18, 2024
E. O.
Automation Tester
Mobile Phone
Email
United Kingdom, London
Feb 26, 2024
J. M.
Investments
Mobile Phone
Email
Oct 23, 2024
K. H.
Executive Assistant
Mobile Phone
Email
Oct 22, 2024
L. D.
Executive Assistant
Mobile Phone
Email
Oct 17, 2024
M. L.
Web Developer
Mobile Phone
Email
Oct 17, 2024
M. C.
Executive Assistant
Mobile Phone
Email
Oct 16, 2024
R. N.
Human Resources Assistant
Mobile Phone
Email
Oct 17, 2024
S. B.
Sales Assistant
Mobile Phone
Email
Oct 23, 2024
W. C.
Fund Accountant
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is First Reserve known for?

First Reserve was founded in 1983 and operates in the Investment Management industry. You can contact First Reserve's main corporate office by phone at

+1-203-661-****

. Explore First Reserve's company overview page for more information.

What is First Reserve's most common email format?

First Reserve employees' email format typically follows the pattern of FLast@firstreserve.com. Trying to find reliable and up-to-date employee contact data? Find more First Reserve email formats with LeadIQ.

How many employees does First Reserve have currently?

First Reserve has approximately 75 employees as of October 2026. These team members are located across 2 continents, including North America and Europe.

Who are First Reserve's key employees and leadership?

As of October 2026, First Reserve's key employees include:

Managing Director: A. S.
Owner: C. S.
Managing Director: K. M.
Interim Chief Financial Officer Chief Accounting Officer And Senior Vice President: S. D.
Founding Partner: S. R.

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First Reserve Employee Directory

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