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  • Autodesk Certified Instructor - David Sellers

    David Sellers, BArch

    CEO | Senior Job Captain
    Autodesk Certified Instructor (ACI SILVER - Certified >5 Years)
    Autodesk Certified Professional: AutoCAD, Revit, Fusion 360
    Adobe Certified Instructor - Creative Cloud Design & Layout Solutions
    SketchUp Certified 3D Warehouse Content Developer

    AutoCAD, SketchUp, Fusion 360

    David has a Bachelor of Architecture Degree from Penn State University. He has been teaching Autodesk programs for over 10 years and enjoys working and teaching in the architectural industry. In addition to working with the Autodesk suite, he has significant experience in 3D modeling, the Adobe Creative Suite, and SketchUp. David enjoys spending his free time with his wife biking, playing ultimate Frisbee, and listening to audiobooks by the fire.

  • Autodesk Certified Instructor - Chris Tiffany

    Chris Tiffany, MLA, LEED AP BD+C

    Autodesk Certified AutoCAD Professional

    AutoCAD, SketchUp

    Chris is a registered landscape architect in the State of California. He has an undergraduate degree from UC Santa Barbara, and a Masters of Landscape Architecture from Cal Poly Pomona. Chris is actively engaged in the professional community and is well known for how he addresses multifacted issues to craft solutions for community enrichment. In his spare time, Chris enjoys camping with his family in the wild open spaces of rural San Diego County.

  • Autodesk Certified Instructor - Derek Hueffmeier

    Derek Hueffmeier, MArch

    Autodesk Certified Instructor (ACI)
    Autodesk Certified Revit Professional


    Derek has a Master's in Architecture from Kansas State University. He has earned numerous design awards for his architectural projects in Kansas and in California. Derek is one of the leaders in North America, in his ability to integrate Revit, InDesign, Photoshop, Illustrator, AutoCAD and SketchUp. Derek enjoys spending his free time with his family and also entering design competitions, to push his creative envelope.

  • Autodesk Certified Instructor - John O'Malley

    John O’Malley, BA, Registered Architect, LEED AP BD+C

    Autodesk Certified Instructor (ACI SILVER - Certified >5 Years)
    Autodesk Certified AutoCAD Professional
    Autodesk Certified Revit Professional


    John has many years of experience using Revit and AutoCAD in the professional architectural office, working on commercial, government and residential projects – pushing Revit to the limits. John graduated from VDCI in 2010. He has served as an onsite TA for many years and teaches many of our online AutoCAD courses. An avid bicycler, John enjoys travelling and experiencing the great outdoors all around the world.

  • Adobe Certified Instructor - Matt Fons

    Matt Fons, BA

    Adobe Certified Instructor
    Adobe Certified Specialist

    Photoshop, Illustrator, InDesign

    Matt is a jack of all trades in the realm of marketing, and an expert using Adobe’s Creative Cloud as the essential software for supporting students and clients. With experience in graphic design, photography, web design, social media planning and videography, Matt creates impressive, comprehensive marketing strategies. In his free time, Matt and his wife enjoy surfing and hiking California's Central Coast as well as traveling to countries around the world.

  • Autodesk Certified Instructor - Mike Kinnear

    Michael Kinnear, PE

    Autodesk Certified Instructor (ACI)
    Autodesk Certified AutoCAD Civil 3D Professional

    Civil 3D

    Mike is a Civil Engineer with significant experience with Civil 3D, AutoCAD and MicroStation. A member of the American Society of Civil Engineers, Mike brings a wealth of experience working on transportation engineering and site development projects. Like many on the VDCI | cadteacher staff, Mike is an avid hiker and enjoys spending time with his family in the local Cuyamaca and Laguna mountains.

  • Autodesk Certified Instructor - GOLD ACI - Mike Wilson

    Michael Wilson, BArch, Registered Architect

    Autodesk Certified Instructor (ACI GOLD - 1 of 20 Awarded Globally)
    Autodesk Certified AutoCAD Professional
    Autodesk Certified Revit Professional


    Mike is recognized by Autodesk as one of the North America's leading Revit Certified Instructors. He has terrific experience integrating Revit, 3dsMax and Rhino. He is a hard-charging, "get it done right" kind of person who has incredible talents and is very attentive to detail. Mike uses Revit Architecture on medium and large-scale bio- and nano-tech projects. Mike has been an integral member of our team for the past fifteen years. In his spare time, Mike enjoys spending time outdoors with his wife, his children and their dog.

  • Sage Estimating Certified Instructor - Ed Wenz

    Ed Wenz, Estimator

    Sage Estimating Certified Instructor

    Construction Cost Estimating

    Ed started Wenz Consulting after 35 years as a professional estimator. Now, Ed works on various projects but also likes to spend his time teaching and training through Wenz Consulting and VDCI. Ed has over 10 years experience in Sage Estimating Development, Digital Takeoff Systems and an extensive background in Construction Software and Communications Technology. Ed enjoys his time spent with his wife and his grandchildren in San Diego.

  • Mechanical Engineer - Katie Cortis

    Katie Cortis, Mechanical Engineer

    Autodesk Certified Instructor

    Revit MEP

    Katie has worked for more than 5 years in the mechanical engineering industry focusing on mechanical, electrical, and plumbing (MEP) design and coordination for GMP clients in pharmaceutical production. She has recently joined a new engineering firm in Kansas City where she continues to broaden her engineering design and management skills.

  • Autodesk Certified Instructor - GOLD ACI - Al Whitley

    In Memorium - Al Whitley, MBA, AIA

    Founder & Former CEO

    Al was the Founder and CEO of VDCI | cadteacher for over 20 years. Al passed away in August of 2020. Al's vision was for the advancement and employment of aspiring young professionals in the Architecture, Engineering and Construction (AEC) industries.

    Learn more about Al and the Al Whitley Memorial Scholarship Fund here.

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