JOHN S. WESSLER is a practicing housing lawyer in Lawrence. He is a graduate of Northeastern University School of Law, and holds degrees from the University of Wisconsin and Oxford University. He has been a practicing housing law and personal injury attorney for thirty years, and has advised and counseled dozens of tenants, condominium owners and homeowners on how to handle claims arising out of mold contamination. He has been a faculty member for the Massachusetts Continuing Legal Education Course Mold and Water Intrusion (2006).