NEW YORK--(BUSINESS WIRE)--Kramer Levin Naftalis & Frankel LLP announced today that Eric Tirschwell, co-chair of the firm’s white collar defense and investigations group, has been appointed by the United States Sentencing Commission to be national Chair of the Commission’s Practitioners Advisory Group. He starts in October. Tirschwell has been a member of the Practitioner’s Advisory Group since 2008, when he was appointed as the Second Circuit representative, and has served as national Vice