Doug Brown joined the Manitoba Securities Commission in 1994, holding various positions including Director, General Counsel and Secretary. He was active in a variety of CSA committees and was elected to the NASAA Board of Directors in 2012. In 2014 he was appointed Public Guardian and Trustee of Manitoba, and in 2018 took on the additional role as Acting Registrar-General. In December 2019 Doug became Director of Legal Services and City Solicitor for the City of Winnipeg, retiring from that position in May 2025.
Doug has been active in the community through his work on various volunteer boards. He was a sessional lecturer at the University of Manitoba law school, teaching Municipal & Planning Law, as well as Legal Methods. In 2025 he was appointed to both the Municipal Board of Manitoba and the Manitoba Securities Commission.