Alex R. Ruiz is a Certified SolidWorks Professional and engineering manager for a leading medical device manufacturer. He designs new products and trains and supports over 100 SolidWorks users. Alex has close ties to the SolidWorks development team and is very well known in the SolidWorks community as "the SolidWorks geek," which is the name of his blog (www.TheSWGeek.com).

Gabi Jack is a Certified SolidWorks Professional and mechanical engineer who maintains a popular blog about solid modeling, design, and engineering (www.GabiJack.com).