Paratek
John Callender has extensive experience in pharmaceutical sales, currently serving as an Institutional Sales representative at Paratek Pharmaceuticals since June 2022. Prior to this role, Callender worked at Pfizer for nearly 17 years, holding positions as an Institutional Account Specialist and Professional Healthcare Representative. John Callender earned a Bachelor's degree in Marketing from Texas A&M University, completing the program in June 2002.
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