Board of Directors

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Meet Our Board of Directors

  • John Ford
    Founder/Principal

John Ford is an accomplished Compliance, IT, Information Security, and Operations executive with proven experience designing, building and transforming regulated organizations. Prior to founding Sienna Group, Ford served as CISO and CCO of several large healthcare, technology, and government organizations. With over 20 years of global Information Security leadership experience, Mr. Ford provides strategic direction and vision for all of Sienna Group.

  • Mark Tuszynski

Mark Tuszynski is co-founder and Partner at MDJ Group. Mark’s career in the IT channel started in the early 80’s. Mr. Tuszynski’s background in finance and operations has helped him provide strategic direction to companies for over three decades. Each organization that Mr. Tuszynski has been involved with has achieved sustained and profitable growth. Prior to co-founding MDJ, Mr. Tuszynski was Partner and co-founder of Tampa based Acuity Solutions. Concurrently, Mark also co-founded AAGT (American Amateur Golf Tour), which he sold to the Golf Channel in 2008. Prior to that Mr. Tuszynski held executive level positions at The Waldec Group, a regional IT solutions provider, and was instrumental in the ensuing acquisition by IKON Office Solutions. Mr. Tuszynski lives in the Tampa area with his wife and four children. He is an avid golfer and a lifelong Pittsburgh Steelers fan.

  • Dave Gilden

Dave Gilden is co-founder and Partner at MDJ Group. His career in the IT industry has spanned over two decades. Prior to founding MDJ, Mr. Gilden was Partner and co-founder of Tampa based Acuity Solutions, a national provider of security and network infrastructure solutions. Acuity was acquired by Fishnet Security and Lake Capital in 2009, and Mr. Gilden served as Executive Vice President of Public Sector. Prior to that Mr. Gilden held executive level positions that touched all aspects of the business at multiple IT Solution Providers. Mr. Gilden continues to serve on many IT Manufacturer Channel Advisory Boards, and is an active contributor to industry research and media. Mr. Gilden lives in Tampa with his wife and two daughters. Along with his passion for entrepreneurialism, Mr. Gilden is a food and wine enthusiast and recently produced the first vintage of his own wine.

  • Julio Sanchez

Julio Sanchez has over twenty years of business and technology experience with a history of providing leadership, direction, and technology expertise in the IT channel. Mr. Sanchez is co-founder and Partner at MDJ Group. Prior to MDJ, Mr. Sanchez was co- founder and Partner of Acuity Solutions. Fishnet Security and Lake Capital acquired Acuity Solutions in 2009, and Mr. Sanchez stayed on board and ran the national network infrastructure division. Prior to Acuity/Fishnet, Mr. Sanchez held multiple senior management positions at The Waldec Group where he helped grow the services division that led to a successful acquisition by IKON Office Solutions. Mr. Sanchez lives in Tampa with his wife and two children. His passion for building extends beyond just building companies. When Julio isn’t at the office, he usually has a hammer or saw in his hand working on some sort of home project.