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Cal Yonker is an accomplished entrepreneur and executive with extensive experience in leading technology firms. As the CEO and Founder of Sierra-Cedar since November 2014, Cal Yonker has successfully guided the company in providing innovative solutions. Prior to this role, Cal Yonker served as CEO and Founder of CedarCrestone from August 2005 to November 2014, and before that, held the same positions at Crestone International from October 1995 to July 2005. Cal Yonker's academic background includes studies at Michigan State University from 1984 to 1986 and a degree from Calvin University from 1980 to 1984, with early education completed at Hudsonville Unity Christian High School.