Lighting Science Group, a leading manufacturer of LED lighting solutions, announced today the appointments of three experienced sales leaders who will add broad business and industry expertise to its global sales team. Daniel Yasi joins the company as Senior Director of Commercial and Infrastructure Channels. Oscar Ibarra also joins LSG as Director of International Infrastructure Sales. Additionally, David Rubin joins the team as a Director of Commercial Markets. Dan, Oscar and David will play key roles in supporting and growing the Lighting Science product portfolio, with specific concentrations on expanding the commercial and infrastructure channels both domestically and internationally.