Mark Tanzer

Director of Sales, Business Insurance Division, West Region

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Aliso Viejo, California

As Director of Sales, Mark Tanzer currently leads business development efforts for the Business Insurance Division of Marsh & McLennan Agency (MMA)’s Orange County and Los Angeles.  In his role, Mark focuses on three priorities: accelerating profitable growth, retaining customers, and enhancing service delivery. He has over 30 years of experience in numerous property and casualty positions, including in client management, leadership, and business development capacities. 

Prior to working at MMA, Mark held senior production and management positions at Liberty Mutual, Great American and AON.  In these roles, he was responsible for working with large complex multi-national companies by assisting them with alternative risk financing, risk transfer, claims and loss prevention. 

Mark is involved with The Alzheimer’s Association of Orange County and Assistance League of Santa Ana.