Ministry Energy Management

Colby May is a Certified Energy Manager with more than 23 years (2001) of experience specializing in energy management. He has conducted energy audits for over 5,000 commercial-scale facilities nationwide, including churches, seminaries, universities, K–12 schools, and local government buildings. Colby has also presented at numerous mission, faith, and energy management workshops across the world.

Colby holds a Master’s degree from Gordon-Conwell Theological Seminary with a concentration in Ethics & Society (Integral Mission) and a Bachelor’s degree from Texas Tech University in International Business and Spanish. During the Kivu Conflict, he spent time in the Democratic Republic of Congo, focusing his studies on the role of the local church in responding to conflict and injustice.

He is deeply passionate about empowering the Church and believes energy sustainability is a powerful tool for transformation, enabling ministries to redirect resources toward mission and impact. His work is shaped by a conviction that lasting justice begins with the heart and is lived out through Integral Mission. Colby’s current focus is leveraging sustainability initiatives to support ministry and community development efforts in Nepal, India, and beyond.

Colby has been married to his wife, Amanda, since 2001, and together they are raising their two sons, Carter and Coen.

Jim Brown is a professional engineer who has specialized in the field of energy efficiency for the past 40 years.  He has conducted energy analyses and designs of energy efficient installations for over 600 facilities in the United States and abroad.  In addition, he has provided energy auditing consultation for six different U.S. State Energy Agencies, and assisted in development of three engineering firms established in China for the express purpose of inserting energy efficiency into commercial and industrial design projects. 

Mr. Brown has presented Energy Management Training Seminars for commercial business, public school districts and public hospitals in nine (9) states and six (6) different nations.  He has also developed and presented five (5) energy related seminars for the Association of Energy Engineers focused on the topics of Investment Grade Energy Audits and Retro-Commissioning.  He is currently a member of AEE boards governing the Master’s Level courses on Investment Grade Energy Audits and Master’s Level Commissioning. He has also coauthored two books entitled, Investment Grade Energy Audit: Making Smart Energy Choices, and the Sustainability Management Handbook, and has been a contributing author for the annually updated Handbook of Energy Audits (Fairmont Press) in 2012.

In September 2013, he was inducted into the Association of Energy Engineers Hall of Fame for lifetime achievement in promoting the practices and principles of energy management.

Jim has also been an elder in his church for over 40 years, and recently helped oversee Holistic Integral Mission/Development to poverty stricken areas of Kenya, Uganda, & Cambodia.

He has been married to Debra Brown for over 40 years, has two beautiful daughters, and 4 adventurous grandkids.

Marcel Serubungo is a pastor in the Democratic Republic of Congo (DRC) committed to peace-building and experienced in Servant leadership training and conflict resolution. He worked with World Relief for 18 years in DR Congo, Sudan and South Sudan bringing divided communities together in the role of Regional Peace Building Technical Advisor. Currently, Marcel is the Director of LIT-Congo where he is focusing on spiritual recovery for God’s servants who lost their confidence in the Lord because of challenges they faced during periods of wars in the DR Congo. He also works on the reconciliation of different ethnic groups in conflict in DR Congo, aiming toward holistic community transformation, healing and development. Marcel holds a master’s degree in Sustainable Peace and Conflict Management, Peace Studies.