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Donald Walker has over 24 years of work experience in the pharmaceutical and biotechnology industry. Donald started their career at Elan Pharmaceuticals in 1996, where they worked as a Research Associate, specializing in solid-phase chemical synthesis and purification of peptides and peptidomimetics. Donald then became a Staff Research Associate, responsible for analytical HPLC analysis and preparative-scale HPLC purification of small molecule drug candidates.

In 2001, Donald joined Elan Pharmaceuticals as an Associate Scientist, where they established in-house protein LC-MS/MS capabilities and gained extensive experience in protein identification and characterization. Donald also conducted mass spectrometry analysis of alpha-synuclein from Parkinson's Disease human brain tissue, identifying novel forms of the protein.

Donald later became a Manager at Elan Pharmaceuticals, providing protein ID and characterization mass spectrometry services to the Biology Department. Donald also played a key role in characterizing toxic beta-amyloid species and developed an immunoprecipitation-LC-MS/MS method for quantitative analysis of beta-amyloid peptides.

In 2014, Donald joined Genentech as a Principal Research Associate, where they worked until 2019. Details of their role during this period are not provided.

In 2019, Donald moved to Nektar Therapeutics, where they initially served as a Staff Scientist before being promoted to Research Fellow in May 2020. Unfortunately, the specific responsibilities and achievements during their time at Nektar Therapeutics are not provided.

Throughout their career, Donald has demonstrated expertise in protein mass spectrometry, analytical characterization of proteins, and the development of LC-MS/MS methods for various applications.

Donald Walker attended The University of Georgia from 1983 to 1987, where they obtained a Bachelor of Science degree in Chemistry. Donald then pursued further education at the University of Alabama at Birmingham from 1992 to 1994, where they completed coursework in the PhD program for Cell and Molecular Biology. There is no available information regarding any degree or field of study at the College of William and Mary.