Marc Okin, Director Environmental Remediation for NiSource, a fortune 500 energy holding company, has worked in the natural gas, electric and remediation industry for over 35 years. Currently he directs a team of professionals to manage several dozen manufactured gas plant projects spread over six states. His team is also heavily involved in coal combustion residuals remediation. During his career, he has managed large portfolios of environmental liabilities, ranging from elemental mercury cleanups in a multi-state program, to hundreds of natural gas compressor stations impacted with PCBs. Marc is a professional geologist who resides in Columbus, OH with his wife and daughter.