Chief Legal Officer

Mr. Malecek has served as our Chief Legal Officer and Company Secretary since 2019. Prior to joining Prothena, Mr. Malecek was Vice President, Deputy General Counsel, Intellectual Property & Litigation of Snowflake, Inc., a position he held from 2018 to 2019. Prior to that (between 2010 and 2017), he was a partner of Kaye Scholer and then Arnold & Porter, international law firms that merged in 2016. He served as co-chair of each of the firms’ intellectual property departments, was managing partner of their Silicon Valley offices, and served on the Executive Committee at each firm. Prior to that, Mr. Malecek was a partner with the law firm Dewey & LeBoeuf, was Vice President and Chief Advocacy Counsel with Affymetrix, Inc., was an Assistant U.S. Attorney, and was an attorney with Latham & Watkins. He clerked for Hon. Robert Doumar, Eastern District of Virginia. Mr. Malecek earned his BA from Yale University and his JD from the University of Virginia.