Bob Wallace and Tom Kraemer

Bob Wallace, the founder and a principal of Phoenix-based WIH Resource Group Inc., has more than 27 years of experience in waste and recycling collections program management, alternative fuels, operational performance assessments, recycling/solid waste operations, landfills, planning and development. He can be reached by email at bwallace@wihresourcegroup.com. Tom Kraemer is a principal technologist with CH2M Hill, Englewood, Colorado, and specializes in organic waste management. He can be reached at tom.kraemer@ch2m.com.