Optimum Energy has promoted Ben Erpelding (pictured) to chief technical officer and appointed four key executives to its management team: Christi DeCuir as vice president of engineering, Adam Goldberg as vice president of sales, Jack Reader as vice president of strategy and alliances and Chris Boscolo as vice president of development. Before joining Optimum Energy, Goldberg was senior manager of global sales and business development for Cisco Systems’ real estate industry segment. DeCuir also previously held senior leadership positions with Cisco. Reader was a senior architect at Cisco. Boscolo joins Optimum from Symform, where he was vice president of engineering.