TEX‑E, the Texas Exchange for Energy & Climate Entrepreneurship, has appointed seasoned Houston VC leader Sandy Guitar as its new Executive Director, succeeding David Pruner who will now serve as board chair. Guitar brings deep experience as co‑founder of Weathergage Capital and former Managing Director at HX Venture Fund, and will steer TEX‑E’s programming in connecting student climate innovators with industry partners and real‑world challenges.