Perry is an environmental attorney at Cox, Castle & Nicholson. Perry's diverse practice includes both transaction and litigation matters. His environmental litigation practice has included matters in state and federal court related to cost recovery, insurance coverage, and state and federal Right-To-Know Laws, including California's Proposition 65. His litigation practice also includes general litigation matters, including landlord-tenant disputes, partnership disputes, and other forms of business litigation.

Perry's transactional practice centers on advising clients looking to acquire, develop or finance properties impaired with environmental contamination. Perry is known for applying creative solutions to help resolve the obstacles presented by the environmental liabilities associated with real estate. Having worked on matters requiring environmental insurance for close to twenty-five years, he is well versed in the risk mitigation benefits of environmental insurance.