SAN DIEGO--(BUSINESS WIRE)--Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP, the global leader in venture capital and emerging companies law, announced today that Jeffrey C. Thacker and Ross L. Burningham joined the firm as partners in the corporate practice group. Jeff will be based in the firm’s San Diego office and Ross will split his time between the firm’s San Diego office and the firm’s Los Angeles office. They join Gunderson Dettmer from the San Diego office of DLA Pipe