Rafayet Al Mahmud has been serving as a Research and Development Executive at The ACME Laboratories Ltd. since June 2022, focusing on analytical method development for FDA-approved products, testing raw materials, and finished drugs, while operating HPLC, GC, and AAS equipment. Prior to this role, Rafayet worked as a Quality Control Executive at PRAN-RFL Group from January 2022 to June 2022, ensuring the quality control of foods and adherence to GMP guidelines in manufacturing. Educational qualifications include an MSc in Applied Chemistry & Chemical Engineering from Islamic University, Bangladesh (2020-2022) and a BSc (Honors) in the same field from the same institution (2016-2019), along with an HSC in Science from Birshreshtha Noor Mohammad Public College (2013-2015) and an SSC in Science from Kushtia Zilla School (2009-2013).