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Greg Kosar Email & Phone Number

Energy, Risk and Sustainability Origination at Calpine Energy Solutions, LLC
Location: Atlanta Metropolitan Area, United States, United States 6 work roles 2 schools
1 work email found @calpinesolutions.com 9 phones found area 312, 630, 770, and 781 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 9 phones

Work email g****@calpinesolutions.com
Direct phone (312) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Energy, Risk and Sustainability Origination
Location
Atlanta Metropolitan Area, United States, United States

Who is Greg Kosar? Overview

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Quick answer

Greg Kosar is listed as Energy, Risk and Sustainability Origination at Calpine Energy Solutions, LLC, based in Atlanta Metropolitan Area, United States, United States. AeroLeads shows a work email signal at calpinesolutions.com, phone signal with area code 312, 630, 770, 781, and a matched LinkedIn profile for Greg Kosar.

Greg Kosar previously worked as Northeast Sales Director at Calpine Energy Solutions, Llc and Head of North American Deregulated Energy Team at Accenture. Greg Kosar holds Mba, Business Administration - Entrepreneurship from Northern Illinois University.

Company email context

Email format at Calpine Energy Solutions, LLC

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{first}.{last}@calpinesolutions.com
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AeroLeads found 1 current-domain work email signal for Greg Kosar. Compare company email patterns before reaching out.

Profile bio

About Greg Kosar

• Passionate about hearing each customer’s unique position to see where we can add value• 15 years experience in electricity and natural gas markets• Work closely with organizations to originate energy solutions that reduce cost and mitigate organizational risk• Create sustainability strategies that align to organizational goals and milestones as defined in CSR reports, sustainability reports or ESG reports• Implement electricity, renewable energy and comprehensive hedging solutions for commercial and industrial customers• Enjoy educating customers on real time market intelligence and regulatory changes

Listed skills include Business Development, Energy, Account Management, Management, and 46 others.

Current workplace

Greg Kosar's current company

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Calpine Energy Solutions, LLC
Calpine Energy Solutions, Llc
Energy, Risk and Sustainability Origination
AeroLeads page
6 roles

Greg Kosar work experience

A career timeline built from the work history available for this profile.

Northeast Sales Director

Current

San Diego, CA, US

Develop relationships with new customers to better understand their needs and areas they want to improveHelp customers create comprehensive electricity solutions to mitigate risk and minimize cost.Work closely with customers to develop sustainability strategies and solutions that address ESG, CSR or Sustainability goals.

Nov 2019 - Present

Head Of North American Deregulated Energy Team

Dublin 2, IE

Dec 2015 - Nov 2019

Deregulated Electricity Sourcing Associate

Dublin 2, IE

Dec 2013 - Dec 2015

Manager Of Account Management - Major Accounts Division

Baltimore, MD, US

Work with external customers to manage their energy usage

Dec 2010 - Dec 2013

Major Account Business Development Analyst

Baltimore, MD, US

Work with Fortune 500 Corporations to provide Electricity Solutions and manage Utility BudgetsDeal with complex proposals and contracts for large clientele

Aug 2007 - Dec 2010

Sales Support Team Manager

London, GB

Managed staff of 10-15 Account Managers & UnderwritersParticipated in several company wide efficiency & marketing projectsWorked exclusively with Illinois, Wisconsin, Missouri, and Kansas MarketsExtensive experience in underwriting, secondary transactions, & efficiency consulting

Jan 2003 - Jun 2007
2 education records

Greg Kosar education

Mba, Business Administration - Entrepreneurship

Northern Illinois University

Bachelor Of Science, Finance

Valparaiso University
FAQ

Frequently asked questions about Greg Kosar

Quick answers generated from the profile data available on this page.

What company does Greg Kosar work for?

Greg Kosar works for Calpine Energy Solutions, LLC.

What is Greg Kosar's role at Calpine Energy Solutions, LLC?

Greg Kosar is listed as Energy, Risk and Sustainability Origination at Calpine Energy Solutions, LLC.

What is Greg Kosar's email address?

AeroLeads has found 1 work email signal at @calpinesolutions.com for Greg Kosar at Calpine Energy Solutions, LLC.

What is Greg Kosar's phone number?

AeroLeads has found 9 phone signal(s) with area code 312, 630, 770, 781 for Greg Kosar at Calpine Energy Solutions, LLC.

Where is Greg Kosar based?

Greg Kosar is based in Atlanta Metropolitan Area, United States, United States while working with Calpine Energy Solutions, LLC.

What companies has Greg Kosar worked for?

Greg Kosar has worked for Calpine Energy Solutions, Llc, Accenture, Constellation Energy, and Hsbc.

How can I contact Greg Kosar?

You can use AeroLeads to view verified contact signals for Greg Kosar at Calpine Energy Solutions, LLC, including work email, phone, and LinkedIn data when available.

What schools did Greg Kosar attend?

Greg Kosar holds Mba, Business Administration - Entrepreneurship from Northern Illinois University.

What skills is Greg Kosar known for?

Greg Kosar is listed with skills including Business Development, Energy, Account Management, Management, Energy Markets, Contract Negotiation, Commodity Markets, and Electricity Markets.

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