Officers & Directors


Jason Lerman


Jason M. Lerman, CPCU is a Senior Underwriter with Global Energy for XL Catlin. Prior to Catlin he worked in the Energy Casualty unit of OneBeacon. Previously Jason was at AIG Global Energy Excess Casualty on the National Accounts team as a Senior Underwriter. While at AIG, Jason covered Petroleum, Petrochemicals, Power, Renewable Energy and Agriculture. He began his career with Chubb in the Energy Resources Specialty unit, writing both Property & Casualty coverages. Jason was conferred with the CPCU designation in 2007. He is an alumnus of New York University where he graduated Magna Cum Laude with a Bachelor of Arts Degree in Economics.

Vice President / President - Elect

Gina Ciorciari


Gina Ciorciari, CPCU, AU, AIS, AINS, ASLI has been a CPCU designee since 2012. Gina is currently a sales operations analyst for Aon, focused on client research, data and analytics, and local marketing initiatives. Prior to this, for a total of 6 years, she worked for various underwriting operations groups within the Consumer Insurance and Commercial Insurance business units of AIG.

Immediate Past President

Martin Ridgers


Martin Ridgers, CPCU is a seasoned professional insurance executive who has lead and managed underwriting teams, earning the respect of the top brokers, carriers, reinsurers and customers worldwide. Throughout his career, Martin has led and motivated underwriters to produce over a $100 million in premium. He has created policy forms and rates for casualty, auto, property, professional liability and workers compensation, amongst others. Many of these forms and rates are still widely used today.

Treasurer / Director to 2021

Natanella Har-Sinay

Natanella Har-Sinay, CPCU is a Senior Product Management Analyst for Argo Group US. After working as an attorney for several years, she began her insurance career as a Senior Consultant at Coulter & Associates, and subsequently joined ISO/Verisk Analytics as a Senior State Relations Analyst. During that time she earned her CPCU and quickly became involved in the NYC chapter, eventually taking on the role of Events Chair.  

Secretary / Director to 2021

Nick DelVino


Gail Brunje


Gail M. Brunje, CPCU is a Vice President of International Surety at Zurich and prior to that worked for AIG. She has more than 25 years of insurance industry experience, specializing in the international surety arena. Gail has served as Secretary/Treasurer and President of the Surety Underwriters Association of New York. She earned her CPCU desigantion in 1995 and is an active member of the New York Chapter, having served as Vice President of Operations and President for the 2014 term. Gail is the current Chapter Governor for the New York, Westchester and Bermuda Chapters and is a member of the Society's International Insurance Interest Group (3iG).

Director to 2022

Steve Isenburg


Steve Isenburg, CPCU is Director, Learning and Development, Starr Companies. Steve is responsible for all training initiatives, organizational development, and performance management for Starr’s domestic employees. In addition, he manages the Starr Global Associates Program and serves as an adviser to Starr’s Veterans initiative. Steve began working in the insurance industry in 1988 and obtained his CPCU designation in 2001. During his career he has worked in Claims, Operations and Human Resources with Travelers, State Farm, Tower Group Companies as well as serving as a consultant with Zurich.


Don George


Don George, CPCU, RPLU is the US Vice President for Casualty and Professional Liability Underwriting for Royal & SunAlliance Insurance Agency (their MGA in the US) for the last 12 years. He received his CPCU in 2008 and also has an Associate in Commercial Underwriting, Associate in Risk Management, and the Registered Professional Liability Underwriter designations. He is a member of the CPCU Society's International Insurance Interest Group (3iG) and the Europe Chapter.


Director to 2020

Frank Semar


Frank Semar, CPCU is an Underwriting Manager for Greater New York Mutual Insurance Companies. He is a graduate of St. John’s University Risk Management Program and proud holder of the CPCU, ARe, AU-M, AIS, AIC, and WCP designations. Frank has served as New York CPCU Chapter Vice President, Education Chair, and has volunteered with the CPCU Society since first entering the industry in 2011. He is a strong proponent for continuing education within his own organization and attributes most of his success to the great mentors, teachers, and coaches he has had the privilege to work with over the years.

Director to 2020

Molly Semar


Molly Semar, CPCU, WCP began her insurance career in 2012 as an Underwriting Trainee at Greater New York Insurance Companies. After earning her CPCU in 2014, she quickly climbed the ranks to Underwriter, specializing in commercial package policies. Molly's interest in the continuing education part of the designation led to volunteering as Education Chair of the Chapter in 2016 and 2017. Molly continues to assist in organizing educational events for the Chapter, but is now an employee of Lancer Insurance Companies, where she underwrites restaurants, manufacturers and buildings of mixed occupancy. Molly is also a Workers’ Compensation Professional.

Director to 2020

Dennis Ng



Dennis Ng, CPCU is an Account Executive for Coulter & Associates. Prior his current position, he held various roles in reinsurance operations and programs underwriting at Hannover Re. Dennis received his CPCU in 2014 and also has an Associate in Reinsurance. Recently, Dennis has served as Membership Chair for the New York CPCU Society.  

Director to 2021

Beth Flynn