Walter joined Swiss Re as Chairman of Swiss Re America Holding Corporation in September 2008. In that capacity, he provided supervisory governance of Swiss Re's Americas businesses and oversaw and directed regulatory and public affairs for all the North America businesses. Walter stepped down as Chairman at the end of October 2012 but still remains a special advisor to the group. Walter is a sitting member of the Board of Directors of The Bermuda Monetary Authority, where he is the organization's first international member. He is also a Director of the Board of the Foreign Policy Associate. In addition, he holds memberships with the Partnership of New York, the Economic Club of New York and the Institute of International Finance. Walter has served in various capacities in numerous charitable and civic endeavors in both Mobile Alabama and New York He is also a trustee of the Mobile Arts and Sports Association and past trustee of the Boys and Girls Clubs of America.