Apple Energy GroupEnergy Management Consulting

Executive Team

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We’ve built an international team of experienced professionals, representing decades of accumulative expertise in both the private and public sectors. Our passion is to inspire change and support action.

We apply our best expertise to all our projects, choosing from among our associates and collaborators to create a team that can deliver high-quality services that are on-time and within budget. We are proud of this team and the depth of our knowledge, and we’ll apply our long-standing connections with companies and individuals around the world to fine-tune our offerings for your organization.

Antonio Hernandez Mancha

Antonio Hernández Mancha

Co-Founder and President
Madrid, Spain

Antonio is a widely respected public figure in Spain, with over 30 years of experience in politics, law, and business. He founded the firm MGM Mancha-Asesores in 1990 in Madrid, and provides services to Spanish and global corporations. He’s currently the State Attorney of prestige for the Spanish government, in addition to being a member of the Royal Foundation Scientific Council’s “Elcano Institute”. Antonio is the President of the Europe-Colombia Association, and serves on the Board of Directors of several international companies.

Greg Hall

Greg Hall

Co-Founder & Director General
Austin, Texas

Greg brings proven leadership to Apple Energy Group, with over 30 years of experience in launching and operating successful organizations. He founded Apple Energy Group in 2009 to provide services in both North American and Europe. Greg has deep expertise in executive management, training, and energy reduction — and he has applied this knowledge to lay the foundation for success in our Spanish operations.

Chris Dorsi

Chief Operating Officer
Madrid, Spain

Chris brings broad technical expertise to our management team, with over 40 years of experience in the North American energy efficiency industry. He’s the author of several respected textbooks, an experienced educator, a successful businessman, and the founder of Habitat X, a worldwide convener of conferences for the sustainable housing industry. Chris oversees our daily operations, authors much of our creative content, and manages our learning management system.
See Chris Dorsi’s publications.

Cesar Santander

César Santander

VP Public Relations
Madrid, Spain

César recently retired from a 32-year career at the U.S. Embassy in Madrid, where he served as the Chief Administrator for Spanish operations. During this time he received honorable accolades for his service under numerous U.S. presidents. César is now responsible for most administrative functions at Apple Energy Group.

Advisory Team

Nicolas Garcia

Nicolás García Arredondo

Senior Advisor and Lead Engineer
Madrid, Spain

Nicolás brings extensive global business and financial expertise to our projects, with decades of experience in the industrial sector, and the successful implementation of major international projects. He’s a licensed Industrial Engineer in Spain, and currently chairs the National Association of Installation and Maintenance Companies in Madrid.

Mariano Hernando Segovia

Mariano Hernando Segovia

Senior Advisor and Engineer
Madrid, Spain

Mariano is one of our most trusted advisors, with over forty years of successful business experience of leading renowned Spanish companies. He’s a leader in the field of electromechanical installations, and a licensed Mechanical, Environmental, and Industrial Engineer in Spain.

Adolfo Sanz

Adolfo Sanz

Senior Advisor and Engineer
Madrid, Spain

Adolfo offers advanced engineering support service for our projects. He has over forty years experience in engineering, business development, and customer service around the world. Adolfo led the Spanish operations of Carrier, Inc. for many years, and is the current president of the Spanish section of ASHRAE – the American Society of Heating, Refrigeration, and Air Conditioning Engineers.

Consultants

Antonio Palomares

Antonio Palomares Maruenda

Energy Engineer
Barcelona, Spain

Antonio performs field work for our projects by documenting architectural systems, evaluating equipment, and analyzing energy consumption. He’s the lead engineer for all our projects that include Guaranteed Savings Plan, or the implementation of ISO 50001. Antonio is a chartered Industrial Engineer in Spain, with degrees from the Polytechnic University of Catalunya.

Elizabeth Gonzalez

Elizabeth Gonzalez

Auditor and Engineer
Madrid, Spain

Elizabeth works with us as an independent third-party auditor. She has extensive experience with various management systems, including ISO 50001 (Energy Management), ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and OHSAS 18001 (Occupational Health Management and Security). Elizabeth has been involved on energy management in Mexico, USA, Costa Rica, Guatemala, Venezuela, Dominican Republic, Puerto Rico, and Spain.

Dr. Mike Brogan

Consulting Engineer
Galway, Ireland

Dave Hudson

Government Affairs Advisor
Houston, Texas

Mike W. Lackey

Consulting Engineer
San Antonio, Texas

David Olmeda

Consulting Engineer
Madrid, Spain