Diana Hammett - Email & Phone Number

VP and Managing Counsel at Calpine

Diana Hammett is based out of Houston, Texas, United States and works at Calpine as VP and Managing Counsel.

Diana Hammett's Contact Information

Diana Hammett's Work email

d*****@calpi***.com

Valid

Latest update

October 29, 2025

Location

Houston, Texas, United States

Diana's current employer

Calpine

Description

Website

calpine.com

HQ Location

Houston, TX, United States

Number of employees

1001-5000

Industry

Utilities

Latest update

May 1, 2024

Read about Calpine

Frequent questions about Diana Hammett

What company is Diana Hammett working for?

Diana Hammett works for Calpine.

What is Diana Hammett's function at Calpine?

Diana Hammett is VP and Managing Counsel at Calpine.

Where is Diana Hammett based?

Diana Hammett is based out of Houston, Texas, United States.

What is Diana Hammett's work email address?

Diana Hammett's professional email address is d*****@calpi***.com

What's the ticker symbol of Calpine?

Calpine's ticker symbol is CPN.

Who are Diana Hammett's co-workers?

Diana Hammett's colleagues are Bob Holsinger, Thad Hill, Andrew Novotny, Kevin McMahon, Jeff Woodall, Jim Webb, Chris German, Matt Barmack, Katherine Piper, Michael DelCasale, Kellie Byerly, Daniel Taylor, Mark Smith, Ron Thompson, Denise Straka, Alex Le, Sowdesh Sukumar, Neil Maguire, Raj Mohindroo, Brian Moddelmog, Rob Parker, Zamir Rauf, William Whitlock, Kelly Zelinski, James Henahan, James Tinsley, Matt Hoffmeister, Kaiser Malik, Mark Adcock, Alexandre Makler, Heleo Sanchez, Caleb Stephenson, Joe Ronan, Bryan Sams, Karen Xu.

Diana's co-workers

Bob Holsinger

Site Owner's Respresentative

Thad Hill

Chief Executive Officer

Andrew Novotny

President and Chief Operating Officer

Kevin McMahon

Sr Vice President Internal Audit & Chief Compliance Officer

Jeff Woodall

Vice President, Trading

Jim Webb

VP Engineering & Construction

Chris German

Regional Vice President Of Operations

Matt Barmack

Vice President, Market and Regulatory Policy

Katherine Piper

Vice President, Assistant General Counsel and Corporate Secretary

Michael DelCasale

Executive Vice President

CRO, Control Room Operator

Denise Straka

VP Insurance & Communications

Alex Le

Principal Cloud Architect

Sowdesh Sukumar

Cloud Architect

Neil Maguire

Generation Coordinator

Raj Mohindroo

Vice President, Carbon Capture & Storage

Brian Moddelmog

Vice President Strategic Origination

Rob Parker

Vice President West Operations

Zamir Rauf

EVP & CFO

William Whitlock

Vice President Development

Kelly Zelinski

Vice President, HR-Employee Engagement & Talent Management

James Henahan

Senior Vice President

James Tinsley

Vice President, Natural Gas Trading

Matt Hoffmeister

Sr. IS Analyst / Cloud Architect

Kaiser Malik

Vice President and Deputy General Counsel

Mark Adcock

Generation Coordinator, Wholesale Commercial Ops

Alexandre Makler

Senior Vice President, West Region

Heleo Sanchez

CRO

Caleb Stephenson

SVP, Commercial Analytics

Joe Ronan

svp

Bryan Sams

Vice President, Government and Regulatory Affairs

Karen Xu

Vice President of Tax

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