Dr. Amreen Jonas is a Principal Associate Scientist in the Analytical Chemistry, CMC department of Mersana Therapeutics where she supports method development and extended characterization of a broad range of proteins, including ADCs, antibodies, antibody fragments and free drug. She received her MS in pharmaceutical sciences from Campbell University and prior to joining Mersana worked at Eurofins PSS in their process analytics department. She has a Bachelor of Pharmacy from Mumbai University, India.