LONDON--(BUSINESS WIRE)--A.M. Best will participate in the 50th Annual Seminar of the International Insurance Society, to be held in London, UK, June 22-25. Stefan Holzberger, Managing Director - Analytics, EMEA and Matt Mosher, Senior Vice President - Rating Services will conduct an Industry Focus Session on "Top Ten Threats to the Financial Strength & Stability of Insurers" on June 24. Stefan Holzberger said, "With all of the challenges the insurance industry is currently faced with, one