Stephen A Campbell is Senior Vice President, Regulatory Affairs at Amphastar Pharmaceuticals, a pharmaceutical company with approximately 1000 employees on four sites. Prior to this role, Campbell was Partner at Campbell, Paiva & Associates, as well as being director of regulatory affairs at Nexstar Pharmaceuticals and International Medication Systems. Campbell is a graduate of University of La Verne, Azusa Pacific University and California State University. He resides in Upland, California.
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