daniel sieger
underSecretary of environmental affairs, massachusetts Executive Office of Energy and Environmental Affairs

Daniel Sieger is the Massachusetts Undersecretary of Environmental Affairs. In this role he serves as chief environmental advisor to the Secretary of Energy and Environmental Affairs, and oversees the Commonwealth’s environmental policy programs, including the four natural resource and regulatory agencies. Daniel has served in senior environmental leadership positions under multiple administrations, including as Assistant Secretary for Environment and as Chief of Staff at the Department of Environmental Protection. Daniel is a graduate of the University of Massachusetts Boston and lives in Boston with his wife and six month old son.