Lisa Tiffin in

Lisa Tiffin

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Chief Commercial Officer at Tri-State Generation and Transmission Association, Inc.
📍 Denver, Colorado, United States

Lisa Tiffin is the Chief Commercial Officer at Tri-State Generation and Transmission, with over 30 years of experience in the energy industry. She leads key initiatives like the Electric Resource Plan, focusing on reliability and affordability. A colleague described her as a highly "engaged business partner. " She holds a B. S. from MacMurray College and a NERC certification.

A recipient of the 2023 RMEL Industry Leadership Award, she is recognized for her significant contributions to the energy sector.

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Experience
14 Years
Current Role
Chief Commercial Officer
Job Level
Leadership
Location
Denver, Colorado, United States
Personality Overview

How Lisa shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Lisa cares about

Electric Resource Planning
She led the development of Tri-State's 2023 Electric Resource Plan, a milestone filing detailing the company's energy transition to ensure reliable and affordable power for members.
Energy Transition
Actively engaged in pursuing a transition to clean energy resources, aiming for an 89% reduction in greenhouse gas emissions by 2030.
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Career

Work history

10-2025
Chief Commercial Officer
Tri-State Generation and Transmission Association, Inc.
4-2024 - 10-2025
Senior Vice President Energy Management
Tri-State Generation and Transmission Association, Inc.
11-2021 - 3-2024
VP Planning & Analytics
Tri-State Generation and Transmission Association, Inc.
10-2012 - 3-2015
Manager, ETRM Practice Area
The Structure Group
9-2011 - 10-2012
Energy Portfolio Manager
Tri-State Generation & Transmission
In the press

Media appearances

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Education
B.S.
MacMurray College
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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