Efficiency Sales Professional Institute

Specialties

The Efficiency Sales Professional Institute (ESPI), led by renowned expert Mark Jewell, is a consultancy helping energy users and service providers realize and express the true value of improving energy efficiency. Our services include education, training, and coaching. With three decades of interdisciplinary experience and a wealth of noteworthy client engagements to call upon, The Efficiency Sales Professional Institute is adept at creating value at the intersection of energy management, real estate, finance, operations, sustainability, and professional selling.

Meet the Business Owner

Mark J.

Business Owner

Mark Jewell is a nationally recognized subject matter expert, author, coach, and speaker focused on applying energy efficiency to create value. He supports other professionals and organizations in overcoming the barriers to implementing projects.

Mark’s experience includes over 25 years in commercial real estate and nearly 20 years in energy efficiency. He is the founder and president of EEFG and a co-​founder of the Efficiency Sales Professional Institute in San Francisco.

Earlier in his career, Mark helped the US EPA deploy both the Energy Star Buildings Program for Commercial Real Estate and the Portfolio Manager benchmarking tool. Mark is a graduate of The Wharton School at the University of Pennsylvania, where he specialized in Economics and Finance.