Michael became a Passive House Consultants in early 2010, and completed the Certified Passive House Builder Training in 2014. He is owner and principal of Passive to Positive, and consults on Passive House, zero-energy, and Living Building Challenge projects. His projects include single and multi-family residential, small commercial projects, new construction and retrofits from New Hampshire to Washington DC. He specializes in foam free high performance design and retrofits.

He is currently endeavoring to retrofit a 1954 stone, mid-century modern home to meet net-zero and resilient design criteria with his wife and architect, Carri Beer.

Michael is a past president of the Passive House Alliance of the United States and served on the board of PHIUS.