Brian Marrinan is a highly experienced technology leader and entrepreneur, best known as the Co-founder and Chief Technology Officer (CTO) of Propylon. With a career spanning over two decades, he has been instrumental in driving the technological vision and development of innovative software solutions for managing legal and regulatory content. His expertise lies in software architecture, enterprise systems, digital transformation, and leveraging emerging technologies like AI to solve complex challenges in the legal tech space. Brian is passionate about building high-performing engineering teams and fostering a culture of innovation to deliver impactful products that modernize how governments and organizations create, manage, and disseminate legal information.
Brian Marrinan's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Co-founded Propylon in 1999 and has continuously served as its CTO, guiding the company's technological strategy and product development from its inception to becoming a leading provider in the legal and regulatory technology sector globally.
Led the development of Propylon's core platforms, which have enabled numerous governments and organizations worldwide to modernize their legislative and regulatory processes, improve accessibility to legal information, and enhance operational efficiency.
Championed the early adoption and advanced application of XML and structured content technologies (like Akoma Ntoso and U.S. Legislative Markup - USLM) for legal and legislative documents, significantly improving their management, interoperability, and utility.
Actively steering Propylon's initiatives to incorporate Artificial Intelligence and Machine Learning into its solutions, aiming to further automate and enhance processes such as legal drafting, content analysis, and regulatory compliance.
Temple University
Wittenberg University
American Institute of Banking
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Bank of America is one of the world's leading financial institutions, serving individual consumers, small and middle-market businesses, and large corporations with a full range of banking, investing, asset management, and other financial and risk management products and services. The company provides unmatched convenience in the United States, serving approximately 69 million consumer and small business clients with approximately 3,800 retail financial centers, approximately 15,000 ATMs, and award-winning digital banking with approximately 57 million verified digital users.
Get verified emails, phone numbers, and LinkedIn profile details
Discover contacts with similar roles, seniority, or companies
Uncover insights like skills, work history, social links, and more
Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.
Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.
Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.
Thousands of companies, including, are just a search away.