Mike DiGiannantonio

Phone: (415) 348-8300
SL Environmental Law Group
Michael DiGiannantonio

Mike DiGiannantonio, attorney at SL Environmental Law Group, represents public entities in water contamination lawsuits, including those involving PFAS, 1,2,3-TCP and perchlorate. Mike was part of the SL team that obtained a $30.208 million jury verdict for the City of Pomona against a fertilizer manufacturer responsible for perchlorate contamination of the City’s water.

Mike has almost two decades of complex commercial litigation and regulatory experience. As a former Senior Enforcement Counsel, he prosecuted organizations and individuals to protect market integrity and understands the minutia of regulatory violations. As a former federal law clerk and professor of legal writing, he specializes in persuasive and efficient written advocacy. He has represented clients in cases before state and federal courts, as well as in both trial and appellate matters. Mike is admitted to practice law in California, Illinois and Michigan.

After years of corporate litigation, Mike has chosen to focus on protecting the public and the environment from corporate polluters. He is passionate about making a difference and holding those accountable who profit at the detriment of others.

Mike received both his law degree and undergraduate degree from the University of Michigan.