David Ossip, Founder of Dayforce

About David Ossip

David Ossip is the Chair, CEO, and Founder of Dayforce (formerly Ceridian), a prepackaged software company specializing in workforce management solutions. He has led the company through its public listing and its subsequent acquisition by Thoma Bravo in February 2026 for approximately $12.3 billion. Ossip's primary email domain is ceridian.com, reflecting the company's historical branding before rebranding to Dayforce.

David Ossip at a glance

• Company: Dayforce
• Latest round: IPO
• Investors: Thoma Bravo
• Location: Minneapolis, Minnesota

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