Jon Costantino

Principal, Tradesman Advisors


Jon Costantino is the founder and Principal of Tradesman Advisors, Inc., a Sacramento-based consulting and advocacy firm. He has 31 years of regulatory experience both within Government and in the private sector, focused on air quality and climate change regulatory implementation and policy development. He was the original Climate Change Planning Manager for the California Air Resources Board and oversaw the first publication of the State’s economy-wide climate policy document—the AB 32 Scoping Plan.

Prior to founding his own firm, Jon managed a climate change regulatory practice for a diverse portfolio of clients at a national law firm. He also was the lead legislative analyst at CARB, focused on energy and transportation fuels. He started his career as an Air Quality Engineer at one of California’s local air quality districts.