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Kelsey has been a key member of the Zefr team since 2012, helping the business sell and launch its first ad campaigns before being elevated to West Coast Vice President. In her new role as EVP, Head of North American Sales, Kelsey applies her extensive knowledge of business operations and a wealth of sales experience to spur the growth of Zefr's video solutions across the US and Canada.

Prior to Zefr, Kelsey was Director of Sales West for DoubleVerify, bringing ad verification and brand safety to the market across major West Coast brands and agencies. Kelsey began her career in sales at Pricegrabber.com, which was acquired by Experian in 2005.