Sarah Johnston - Email & Phone Number

Managing Director Carbon and Renewable Energy at Calpine Energy Solutions, Llc

Sarah Johnston is based out of Greater Houston and works at Calpine Energy Solutions, Llc as Managing Director Carbon and Renewable Energy.

Sarah Johnston's Contact Information

Sarah Johnston's Work email

s*****@calpin***.com

Valid

Latest update

October 25, 2025

Location

Greater Houston

Sarah's current employer

Calpine Energy Solutions, Llc

Description

Website

calpinesolutions.com

HQ Location

San Diego, CA, United States

Number of employees

201-500

Industry

Renewable Energy Semiconductor Manufacturing

Latest update

May 1, 2024

Read about Calpine Energy Solutions, Llc

Frequent questions about Sarah Johnston

What company is Sarah Johnston working for?

Sarah Johnston works for Calpine Energy Solutions, Llc.

What is Sarah Johnston's function at Calpine Energy Solutions, Llc?

Sarah Johnston is Managing Director Carbon and Renewable Energy at Calpine Energy Solutions, Llc.

Where is Sarah Johnston based?

Sarah Johnston is based out of Greater Houston.

What is Sarah Johnston's work email address?

Sarah Johnston's professional email address is s*****@calpin***.com

Who are Sarah Johnston's co-workers?

Sarah Johnston's colleagues are Amie Sickels, Jim Wood, Gene Owens, Aaron Thomas, Millie Guardiola, Jacqueline Simpson, Greg Adams, Drake Welch, Rama Darga, Tony Choi, Neil Bresnan, Durgaprasad Damarasingu, Gayle McCutchan, Sam Schmidt, David Nylander, Paula White, Joshua Brock, Mark Ludwig, Jeff Huber, Lucas Utouh, Juliana Conzemius, Craig Sutter, Curtis Johnson, Teresa Acosta, Greg Bass, Andrew Fry, William Gray, Pol Sandro-Yepes, Vincent Berlen, Donald Forehand, Nada Rashid, Sylvia Zobel, Mike Lee, Matthew Messina.

Sarah's co-workers

Amie Sickels

Executive Assistant to President /CEO

Jim Wood

President

Gene Owens

Vice President Marketing & Origination

Aaron Thomas

Vice President

Millie Guardiola

Vice President of Regional Sales- Midwest Region

Jacqueline Simpson

Regional Vice President Sales-Northeast Region

Greg Adams

VP, Regional Sales

Drake Welch

Vice President - Operations and Information Technology

Rama Darga

Cloud Database Architect

Tony Choi

Director of CCA Business Solutions (Community Choice Aggregation)

Neil Bresnan

Vice President

Durgaprasad Damarasingu

Sr. Cloud Database Consultant (AZURE SQL server)

Gayle McCutchan

SVP Sales and Account Management

Sam Schmidt

Vice President Application Support

David Nylander

Vice President- Natural Gas Supply and Structuring

Paula White

Vice President of CCA Operations

Joshua Brock

Vice President of CCA Commercial Operations

Mark Ludwig

Vice President

Jeff Huber

Senior Vice President

Lucas Utouh

Community Choice Aggregation (CCA) Operations Manager

Juliana Conzemius

Information Technology Lead

Craig Sutter

Director, Powerfolio Services

Curtis Johnson

Director Energy and Sustainability Engagement

Teresa Acosta

Sales Director

Greg Bass

Director, Western Regulatory & Legislative Affairs

Andrew Fry

Business Analysis Lead

William Gray

Sales Director

Pol Sandro-Yepes

Director IT Development and Integration

Vincent Berlen

Director

Donald Forehand

Director Of Infrastructure

Nada Rashid

Lead Application Developer

Sylvia Zobel

Director of Accounting and Finance

Mike Lee

Director

Matthew Messina

Director, CCA Client Services

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