John Jackson

John Jackson

Director/Board Member at MAIN STREET CAPITAL CORPORATION

Net worth: 4 M $ as of 31/05/2026

67 year
Industrial Services
Finance
Energy Minerals

Profile

John Earl Jackson was the founder of Spartan Energy Partners LP, founded in 2010, where the title held was President & Chief Executive Officer.
Current jobs include Independent Director at Main Street Capital Corp since 2013, Independent Director at Main Street Capital Partners LLC, Director at Prison Entrepreneurship Program, and Independent Director at Natural Gas Services Group, Inc. starting in 2026.
Former jobs include President, Chief Executive Officer & Director at Hanover Compressor Co. from 2004 to 2007; President & Chief Executive Officer at Exterran Energy Solutions LP from 2004 to 2010; Chairman, President & Chief Executive Officer at Price Gregory Services, Inc. from 2008 to 2009; Chief Executive Officer at Spartan Terminals LP; Chief Executive Officer at CSI Compressco GP LLC; President, Chief Executive Officer & Director at CSI Compressco LP from 2021 to 2024; Chief Executive Officer & Director at Spartan Operating Co. LLC; Chairman at RSH Energy LLC from 2013 to 2014; Director at Seitel, Inc. from 2007 to 2019; Director at Archrock, Inc. from 2007 to 2010; Independent Director at CNX Midstream Partners LP; Director at Encore Energy Partners GP LLC from 2009 to 2011; Director at Select Energy Services LLC; Director at CNX Midstream GP LLC from 2015 to 2020; Independent Director at Basic Energy Services, Inc. from 2016 to 2021; Chief Financial Officer at Union Pacific Resources, Inc.; and Chief Financial Officer & Vice President at Duke Energy Field Services LLC.
Education includes undergraduate degree from Baylor University.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
15/05/2026 86,429 ( 0.09% ) 4 M $ 31/05/2026

John Jackson active positions

CompaniesPositionStart
MAIN STREET CAPITAL CORPORATION Director/Board Member 06/08/2013
NATURAL GAS SERVICES GROUP, INC. Director/Board Member 01/06/2026
Private Equity Investor -
Director/Board Member -

Former positions of John Jackson

CompaniesPositionEnd
Chief Executive Officer 01/04/2024
CSI COMPRESSCO LP Chief Executive Officer 01/04/2024
BASIC ENERGY SERVICES Director/Board Member 01/12/2021
Director/Board Member 28/09/2020
Director/Board Member 15/03/2019
See the detail of John Jackson's experience

Training of John Jackson

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

58

1st degree connections

23

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies23

Industrial Services

Transportation

Utilities

Industrial Services

Industrial Services

Industrial Services

Producer Manufacturing

Industrial Services

Finance

Industrial Services

Industrial Services

Consumer Services

Finance

Energy Minerals

Industrial Services

Commercial Services

Industrial Services

Spartan Terminals LP

Industrial Services

Industrial Services

Finance

Industrial Services

Energy Minerals