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Ronald Heemstra is an experienced medicinal chemist currently serving as Scientist III at Targacept, Inc. since June 2007, specializing in medicinal chemistry with a focus on environmental safety. Prior to this role, Ronald held positions at Pfizer from 2001 to 2007, where responsibilities included serving as Sr. Associate Scientist in Discovery Chemistry within the CVMED division and as Assistant Scientist in Chemical Process Development. Ronald earned a Bachelor of Science degree in Chemistry and Engineering Science from Hope College, completing the program in 2001.