John represents health care clients facing criminal and civil investigations from various federal and state agencies and regulatory authorities and has also litigated civil claims under the False Claims Act arising from these investigations. John also handles civil proceedings and arbitrations for corporate clients in business disputes. Additionally, John has represented corporate clients in anti-trust litigation and in securing professional liability insurance for the company and its officers. Recently, John served as a special assistant district attorney prosecuting misdemeanor and felony offenses in Middlesex County, conducting several trials and motions.