OPSEC - Key Persons


Bev Dew - CFO

Job Titles:
  • Chief Financial Officer
  • Member of the Leadership Team
Bev Dew has worked for over 20 years in international development, construction, and business services industries, most recently as CFO at Kier Group plc and prior to that in Senior Roles at Balfour Beatty, Lend Lease, and Redrow homes. He has extensive experience in both debt and equity capital markets as well as M&A, business transformation, and ERP implementations. Bev started his career at the defense research agency as a research physicist before qualifying as a chartered accountant at Coopers and Lybrand.

Bill Birnie

Job Titles:
  • Member of the Leadership Team
  • SVP & GM Online
Bill Birnie is an experienced and accomplished leader with a demonstrated history of developing and implementing long-term growth strategies for leading global companies. Bill has an extensive background in SaaS and hardware-based voice, data, networking, and cybersecurity solutions for the Enterprise, SMB, and Consumer markets. Bill has held executive positions with global industry leaders including Comcast, Motorola, Panasonic, and Honeywell with responsibility for directing some of the industry's most significant transitions in the areas of wireless mobility, broadband networking, cloud & hosted communications and digital security & compliance solutions. Most recently, Bill was President of Honeywell Vocollect Voice and General Manager for Honeywell's Voice Directed workflow solutions business, the global leader in voice-based software solutions that improve productivity, workplace safety, and business performance for the world's largest global enterprise companies. Bill is a patent holder in wireless technology and previously served as Deputy Commissioner for the President's U.S. Cloud Commission for state and local governments.

Lisa Arrowsmith

Job Titles:
  • Chief Product Officer
  • Member of the Leadership Team
As OpSec Security's Chief Product Officer, Lisa is responsible for delivering best-in-class products and services across the company's comprehensive Online and On-product Solutions offerings. She is also responsible for embedding customer-centric design into the product roadmap and supporting OpSec Security in delivering Protection and Authentication Solutions that completely satisfy its customers' brand protection strategies. Arrowsmith joins OpSec Security following senior leadership and product management positions with global technology and B2B data companies such as Omdia and IHS Markit, where she was responsible for strategy development, product and platform integration, and customer-driven product design, serving clients across diverse industries, including software, display technologies, consumer electronics, media, service providers and platforms.

Najaf Gillani

Job Titles:
  • Member of the Leadership Team
  • Chief Software Development Officer
Najaf Gillani has over 20 years of experience running Global Software Engineering teams working for eCommerce giants like eBay, Walmart, Macy's & technology disruptors like Openwave systems. Along with his strong professional experience, he has an entrepreneurial background and has a solid business acumen, which allowed him to start and run a few businesses successfully. His passion for technology has helped companies build many complex platforms to meet customer needs and to solve key customer problems. Najaf started several innovation labs during his career to incubate new ideas and built many proofs of concepts to disrupt different markets. He also serves on the Advisory Board at Ithaca College, NY for their Cyber Security Program. He is a part-time basketball coach and has coached a few local junior leagues in the San Francisco Bay Area.

Peter Waker

Job Titles:
  • Member of the Leadership Team
  • SVP & GM Authentication
Throughout his career, Peter Waker has held a variety of senior management roles across both Fortune 500 and start-up companies. His most recent role was Managing Product Director at De La Rue Ltd, and prior to that, he held several business leadership positions at E.I. du Pont Nemours and Company over a period of 12 years. Peter has extensive experience in developing and implementing innovative growth strategies and building successful teams. Peter's management career began at a Taiwanese Liquid Crystal Display startup, Emerging Display Technologies (EDT) where he was Executive Vice President, Americas.

Riya Sood - CHRO

Job Titles:
  • Chief Human Resources Officer
  • Member of the Leadership Team
Riya Sood brings 20 years of experience in leading HR Transformation. She has worked at Fortune 500 companies across diverse industries (Technology, Consulting, Energy, Financial) and geographies (Americas, Middle East, Africa, Asia). Strong business acumen, developing, and implementing large global change programs is her forte. She has an outstanding track record of leading M&A, integration, divestiture projects, and managed critical people initiatives in complex, matrix organizations. Riya started her career with Standard Chartered Bank and post that led senior roles at Tech Mahindra, Weatherford, Deloitte, EXL.

Selva Selvaratnam - CEO

Job Titles:
  • Chief Executive Officer
  • Member of the Leadership Team
Dr. Selvaratnam is an entrepreneur who, following the sale of his own business, has held several executive C-level positions within the Software and Security Solutions industry with such firms as De La Rue, HID Global and Assa Abloy. He has over 35 years of experience in innovative strategies to grow technology businesses in the security markets with leading technologies, as well as customer centric differentiated solutions.

Thomas Peistrup - Chief Legal Officer

Job Titles:
  • General Counsel
  • Member of the Leadership Team
Thomas brings more than twenty years of experience in the practice of law. Most recently, he held the position of General Counsel at InStyler, a consumer products company based in California, US. He has held roles in both in-house legal teams and law firms across a range of industries, including technology, entertainment, and consumer goods. He has particularly deep experience in the oversight of intellectual property portfolios, as well as the management of brand protection and anti-diversion programs.