Xtreme Fighting Championships announced investor and corporate communications trailblazer Jeff Lambert has joined the Xtreme Fighting Championships' Advisory Board ahead of the organization's next event, YoungGuns 1 on March 27 at the FireLake Arena in Shawnee, OK. Lambert has led his organization, Lambert & Co., through 22 straight years of growth to become a top-10 financial and investor relations firm nationally and top-50 PR agency in the U.S. Lambert & Co. has earned Firm of the Year honors from PR Week and PRNews, been recognized as a top-5 private equity communications agency by The Deal, and Jeff has been named Dealmaker of the Year by both the Association for Corporate Growth-Detroit and business media MiBiz.