Jamie Wimberly has more than 25 years of experience in energy, working with leading technology innovators, executive teams at major investor-owned utilities and energy retailers, thought leaders, and regulators. His expertise includes general management and operational consulting, customer engagement and strategy, program and offering design, marketing and communications, and customer service. Before founding DEFG (which was acquired by E Source in 2022) and serving as its CEO, Jamie cofounded and served as president of the Center for the Advancement of Energy Markets, a nonprofit think tank focused on the energy sector. He served as vice president of the Consumer Energy Council of America, the oldest public interest organization in the nation focusing on energy, telecommunications, and other network industries providing essential services to consumers. Jamie earned his MA in international economics with a focus on energy at Johns Hopkins School of Advanced International Studies.

Content by this author

The energy assistance customer journey: Mapping and improving the experience for low-income customers

Jamie Wimberly, Rachel Cooper, Ben Nathan, Lisa Schulte, Katie Ruiz
June 13, 2024

Join us to learn how you can use customer journey mapping to better understand the current customer journey and improve the low-income customer experience. We’ll discuss what everyone involved can do to make a difference, including utilities, agency partners, and customers.

Managing the affordability crisis

Jamie Wimberly, Bob Cooke, Tom Martin
June 6, 2024

The traditional approaches to keeping customers current and out of debt aren’t working as intended. We’ll be discussing alternative approaches to arrearage management, as well as how to use data science to be much more proactive and precise.

Equity and the utility customer: Highlights from 2023 customer survey findings

Ben Nathan, Jamie Wimberly
March 6, 2024

Equity is at the nexus of the relationship between customers living in frontline communities and their local utility. And the results from two of our annual surveys emphasized that point. Here are a few highlights from a recent webinar where we shard those survey results.

The utility affordability crisis: A call to simplify access to energy assistance programs

Ben Nathan, Jamie Wimberly
November 8, 2023

With more than 60% of low-income households in the US facing a high energy burden, we’re taking the next step with a petition to urge utilities, regulators, and other industry partners to make it easier for customers to access critical, available energy assistance and affordability services.

One year in: Analyzing the Inflation Reduction Act through the lens of affordability and equity

Sannie Sieper, Ben Nathan, Jamie Wimberly
August 17, 2023

We’re one year in to the Inflation Reduction Act. How is this milestone legislation impacting energy and affordability issues? Read on to get our perspective.