CEO Message


Welcome to Amphastar!


As you navigate our website, I hope you learn more about the qualities that make our Company an outstanding biopharmaceutical manufacturer focused on bringing safe and affordable drugs to the patient and a perfect place to build a career.


Since Amphastar’s inception in 1996, the Company has shown tremendous growth. We have expanded our expertise from injectables to inhalation (metered dose inhalers), intranasal, and combination products. We further expanded our capabilities to manufacture complex medications derived from living cells or organisms.


We continue to diversify our product portfolio while expanding the distribution of these products.


Amphastar’s corporate culture is defined by a set of corporate values that define how we operate every single day – High-Quality products through High Efficiency and High Technology. The 3 H’s reflect how we interact with our customers and patients, colleagues, and communities. We hold each other accountable for creating a company we can all be proud to work at.


Whether you are a potential customer, a business partner, or a future employee, we look forward to finding out how we can work together to bring safe and affordable medications to patients.


Jack Zhang, Ph.D.

CEO, President, CSO, and Director






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