Executive Team

John Marshall
John Marshall is CEO & Board Member at Userful, a leading provider of AV-over-IP solutions for enhanced video communication. He focuses on developing and implementing strategic growth initiatives for Userful; launching the company into new markets, product and technology development, and expansion through new technology and channel partnerships. He has more than 25 years of experience building innovative, market-leading organizations.
John MarshallCEO
Daniel Griffin
Daniel Griffin serves as VP Marketing at Userful. Since joining the company in 2003, he has been instrumental in developing and marketing the Visual Networking Platform for enterprises, establishing offices globally and strategizing business development tactics. Daniel has transferred a wealth of creative capital, systems reengineering and change management plus years of sales and customer experience. Dan now dedicates his time to forming strategic alliances and furthering new applications of Visual Networking Platform.
Daniel GriffinVP Marketing
Jamey Miles
Jamey has brought over 18 years of executive and senior management experience in international business development and sales management to the Userful team. Her practical leadership has resulted in a number of senior management roles with multiple high tech start ups like M-Tech (now HitachiID) and Acceleware. Jamey joined Userful in 2010 and has had various roles at the company, currently Jamey leads Strategic and Global Accounts.
Jamey MilesVP Strategic & Global Accounts
Timothy Griffin
Tim has combined inspired product design and entrepreneurship to evolve centralized desktop computing. In 1999, Tim founded Userful to make centralized desktop computing and management efficient, economical, and environmentally friendly through new ultra thin and zero client solutions. He is a true entrepreneur, having previously founded and led consulting, research, and design companies.
Timothy GriffinCTO
Dave Knapton
Dave has 20 years of sales and marketing experience and excels at leading high performance teams. Dave has developed a deep understanding of sales, partner management, and leadership best practices while working on iconic Canadian brands such as Dempster's, Halls, Yellow Pages and SMARTboard. He has a Bachelor of Science from Trent University and a Master of Economics degree from the University of Waterloo.
Dave KnaptonVP Sales, Americas
Kashif Altaf
Kashif has two decades of experience in managing software projects and delivering exceptional products with extensive release management and team leadership expertise. Kashif joined Userful in 2013 where he leads the software development teams with an additional focus on quality assurance. Kashif holds a Master of Science in Information Technology degree and a Certified Scrum Professional® designation.
Kashif AltafVP Engineering
Prati Shrestha
As a VP of Finance at Userful Corporation, she is managing the accounting department, monitoring internal controls, and supporting overall the business’s finance issues. Prati inspires the finance department through her ability to identify and generate new revenue streams, negotiate government grants/deals, and her capacity to lead pitches with an analytical approach to managing a range of transactional and advisory work within the finance department.
Prati ShresthaVP Finance
Kevin Dillon
Kevin serves as the VP of Global Channels and Alliances for Userful. He is an energetic, results-focused Sales and Channel Executive with over 20 years of sales management experience bringing new technologies to market. During his time at Userful thus far, Kevin has demonstrated leadership, defined business strategies, developed & executed business operating plans, and managed sales teams to achieve revenue objectives.
Kevin DillonVP Channels & Alliances
Robert Huijsmans
Robert serves as Vice President Solution Engineering at Userful. His focus is on global pre-sales activities and AV-over-IP evangelism with customers and partners. He brings over 25 years of executive and management experience with extensive background in technology, business development and solutions design in pursuit of customer satisfaction. Robert holds a Master of Science in Telecommunication and Electronics from the Technical University of Delft.
Robert HuijsmansVP Solutions Engineering & EMEA