CEO, One Identity
Mark serves as Chief Executive Officer of One Identity and joined the company in June 2022. He is responsible for driving the overall growth strategy, go-to-market and P&L for One Identity. Mark is a seasoned executive with experience developing enterprise software companies to achieve successful growth. He is a proven leader with nearly two decades of C-suite experience at companies such as Emptoris (now part of IBM), Attunity, and most recently LogRhythm. Having been in the cyber security space for several years, Mark believes One Identity is in the right market at the right time to provide critically important cybersecurity protection for enterprises, public sector organizations and Federal agencies.
Mark maintains winning teams have a “customer-first” attitude and that when companies service their customers at exceptional levels and deliver innovation to the market, they grow. By working hard and investing in people, products and customers, Mark seeks create more opportunities for all One Identity team members. As a leader, Mark has a strong focus on company culture, values-based leadership and inclusion-based hiring. One of his key tenets is always having a respect for the individual regardless of titles, position in the company or stature. Everyone matters.
Mark is based in the Boston area, where he lives with his wife (and college sweetheart) Nancy. Together, they have three grown sons and two rescue dogs. Mark is pretty active when he’s not working and enjoys skiing – both snow and water – and playing a bit of ice hockey.
Mark holds a dual-major Bachelor of Science in both Engineering and Business Management from Providence College. For more about Mark, visit his LinkedIn profile.
Head of Product
Brian joined One Identity in March 2023 and is responsible for the overall product strategy and execution. During a 35-year career, Brian has held senior roles in a number of companies from small systems integrators through to multinational, highly regulated enterprises including BeyondTrust, GlaxoSmithKline, BBC Television, and Amstrad plc. Experience in a varied set of IT functions, on both sides of the vendor/customer table, has provided Brian with a clear insight into what is important in successful business partnerships and how technology can be leveraged to facilitate business growth. A focus on customer experience sits at the heart of Brian's approach to Product Management and a focus on team is the core of his management style. Brian joined One Identity as it represents the broadest and deepest portfolio for delivering robust, reliable cybersecurity to organizations of all sizes. He believes that One Identity is the company best positioned to journey with its customers into the next phase of Identity and Access Management.
Brian is based in Basingstoke in the UK, where he lives with his wife Ruth. They share their lives with two chocolate Labradors and two horses. Brian enjoys horse riding, cycling, learning, maths & science, developing software, gaming, and technology of all kinds. When time allows, you can find him speaking at events around the world, writing books, articles, and blog posts about cybersecurity and best practice. Outside of work, Brian is also a British Eventing Controller/Commentator and can be heard at Horse Trials all over the South of England. Brian is co-author of Cloud Attack Vectors published by Apress.
Vice President, Corporate Strategy
As Vice President of Corporate Strategy, Larry Chinski is a seasoned cybersecurity strategist who leads our Demand Generation, Product Marketing, Enablement and Strategic teams to enhance One Identity's suite of solutions. With over 25 years of experience in the IT industry and a specific focus on Identity and Access Management (IAM) for the past 15 years, Larry is at the forefront of delivering cutting-edge cybersecurity SaaS.
In his role, Larry analyzes cybersecurity trends and aligns them with One Identity's comprehensive portfolio, covering Identity Governance and Administration, Privileged Account Management, User Entitlement Management, and Web Access Management. He is dedicated to ensuring that One Identity's solutions meet the ever-evolving needs of customers and stay ahead of the dynamic threat landscape.
Larry is also charged with overseeing the successful implementation of One Identity's extensive SaaS platform across the field, making it accessible and effective for clients worldwide. His extensive experience includes collaborating with some of the world's largest enterprises, where he has been instrumental in designing and implementing IAM solutions across diverse industry verticals.
Larry's educational background includes a bachelor's degree in computer science from DePaul University, complemented by a host of industry certifications. His expertise and strategic vision make him a driving force in the field of cybersecurity and identity management.
Head of Global Channel and Alliances
Andrew Clarke is the Global Head of Channel and Alliances at One Identity, where he leads the strategy and growth of the company’s channel sales and marketing initiatives. With a strong background in the security industry, Andrew oversees a portfolio that includes Identity Manager and Safeguard, helping customers optimize performance and maximize their investment in One Identity solutions. Prior to joining One Identity, Andrew was Vice President and Managing Director of EMEA at e-DMZ Security, which was acquired by Quest Software.
VP of Global R&D
With a diverse background spanning startups, large institutions, and major corporations, Andrew brings extensive experience in developing, running, and maintaining products at the intersection of massive-scale data, cyber security, and observability. He is uniquely qualified to lead R&D at One Identity, having co-founded and led engineering and development teams at managed security organizations for accelerated growth. As we seek to achieve accelerated and consistent growth at One Identity, Andrew’s focus on driving innovation and creating a collaborative engineering culture rooted in excellence and delivery will be key.
Outside of work, Andrew is a dedicated soccer fan, attending seven World Cup tournaments. He also enjoys mountain biking, adventure racing, and gardening. Andrew will work remotely from San Antonio, Texas, where he lives with his wife, Tiffany, their two children, Carter and Caroline, and three Boston Terriers, Lulu, Hazel, and June.
Director of Global Professional Services
As Director of Global Professional Services at One Identity, Gordon Patzschke leads international, cross-functional teams dedicated to partner enablement and the successful implementation of identity and access management programs.
With over 20 years of experience at One Identity, Quest Software, and Dell, Gordon has a strong track record in team integration, operational efficiency, and strategic growth. His leadership focuses on customer success, innovation, and building high-performing teams.
Director of Global Technical Support
Steven Poole is the Director of Global Technical Support at One Identity, overseeing technical support, premier support, licensing, and customer service teams, ensuring customer satisfaction for identity management solutions around the globe. With over 22 years of experience in technical support, Steven has excelled in building and managing high-performing teams, driving process improvements, and enhancing the customer experience. He is passionate about fostering collaboration between service delivery, R&D, and product management to elevate standards and performance. Steven has consistently achieved industry-leading OSAT scores, contributing to One Identity’s reputation for excellence.
VP of Sales, EMEA
Elisabeth Ström Gullberg serves as Vice President of Sales for EMEA at One Identity, leading sales and channel teams across the region. With over 30 years of experience in IT, she has worked for global vendors and local systems integrators, consistently driving business growth and team development. Known for her results-driven approach, Elisabeth is passionate about building strong customer and partner relationships. She lives in Stockholm, Sweden, where she enjoys outdoor activities with her husband and dog, and hosting big family dinners with her adult children and friends.
Chief Revenue Officer
Ian Sutherland is the Chief Revenue Officer at One Identity, overseeing the company’s global sales strategy and execution. With over 30 years in the IT industry, Ian leads efforts across direct, channel, and technical sales teams to drive customer acquisition, retention, and satisfaction. His expertise spans technical, consulting, and commercial roles, positioning him to lead revenue growth and shape strategic partnerships.
Ian is also a bestselling author of cybercrime thrillers, combining his technical knowledge with creative storytelling. He is based in the UK.