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HOK Celebrates 70th Anniversary - HOK Founded in St Louis in 1955, HOK marks its 70th anniversary in 2025 as a global architecture, design and engineering firm with 26 offices and tens of thousands of built projects around the world Seventy years ago, George Hellmuth, Gyo Obata and George Kassabaum joined forces to create HOK Though they came from different backgrounds and brought distinct skills, they shared a powerful vision
Houston - HOK HOK's Houston studio creates award-winning design, architecture, engineering and planning solutions that bring real value to our clients
Bill Hellmuth, Chairman and CEO of HOK, Dies at 69 - HOK In 1991, he joined HOK at the urging of firm cofounder Gyo Obata Decades earlier, Obata partnered with St Louis architects George Kassabaum and George Hellmuth (Bill’s uncle) to create Hellmuth, Obata Kassabaum (HOK) At the time of his hiring, Hellmuth, who grew up in Cleveland, had only a vague knowledge of HOK and its backstory