Mark Geller is the founder and owner of High Impact Training with over two decades of experience designing customized learning experiences for higher education, corporate, and nonprofit clients. He combines hands-on program design, keynote delivery, and relationship-based sales to create multi-day residencies, executive coaching, and interactive presentations that tackle tough topics like bias, sexual assault, and substance abuse. Known for blending theatrical methods—through his GTC Dramatic Dialogues troupe—with evidence-based training, he engages college-age audiences who respond better to experiential and entertaining approaches. Based in St. Cloud, Minnesota, Mark has a long track record of empowering participants to think critically and make smarter choices, and he leverages a diverse consultant network to tailor solutions to each client’s culture and goals.
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