A seasoned leader at the intersection of trust & safety and digital advertising, AJ Brown serves as Chief Operating Officer of the Brand Safety Institute. As COO, AJ orchestrates BSI's operations across its editorial, educational, and partnership endeavors, and aims to leverage his expertise to help marketers more effectively navigate brand safety & suitability on platforms. Prior to joining BSI, AJ was Head of Brand Safety and Ad Quality at Twitter, charged with delivering a positive advertising experience on the platform by serving high-quality ads in brand-safe environments. AJ joined Twitter in 2016, and led or played a key part in company milestones including the development and enforcement of civic integrity policies, enhancements in transparency, and most notably establishing Twitter’s Brand Safety practice. During his tenure, his teams wrote and enforced policies, built and scaled operations teams, launched product features, and cultivated partnerships with advertisers, agencies, and industry trade groups.Never one to sugarcoat difficult and nuanced topics, AJ is a vocal thought leader in the industry, and was among the founding platform representatives in multiple industry brand safety initiatives. AJ developed and executed a multi-pronged brand safety roadmap for Twitter following the company's acquisition by Elon Musk, including delivering enhanced brand safety controls and third-party reporting for advertisers, independent analysis of hate speech on the platform, and reigniting Twitter's transparency reporting. His work to promote responsible monetization at Twitter aligns perfectly with BSI’s mission to continuously drive a healthy and sustainable advertising ecosystem.In parallel with his day job at BSI, AJ is pursuing his MBA. He is proud to return to his alma mater, Georgetown University, to continue his development as a business leader.