Core members

Invest the most time in the network and receive the most benefits.

Ally members

Similar types of activities as core; however, their less frequent involvement results in fewer benefits.

GrassTops members

Primarily interested in collaborating with the network as an institutional partner.

Core Members

  • The results are being filtered by the character: H
A B C D E F G H K L M N O P R S T W
Photo of Timothy Heppner
Timothy Heppner
Executive Director Ecotelligent Design

Tim is the Executive Director of Ecotelligent Design, where he expands knowledge, develops skills, changes attitudes, and transforms habits which inspire people to become more sustainable. He is an international consultant specializing in sustainable performance metrics that identify opportunities for capturing and reducing energy, purifying and managing water, and cleaning and improving air. Tim is the designer, builder and curator of Charles Heppner Artist Studio, one of the most environmentally friendly homes in Chicago.