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Gaynor Sherer, graduate of Texas Tech University with BS in Fashion Merchandising/Minor in Business Marketing, joined her father, Tony Boxell, in their family business in 2001. She brought her decade of experience in product development and material sourcing for major manufacturers such as Reebok, Liz Claiborne and Eddie Bauer to apply in the world of marketing commercial building materials.  

Gaynor and her Husband Rob live in Cypress, TX and have a daughter who recently graduated from Texas State University and a son studying at University of Oregon. Gaynor enjoys fishing anytime she can get out on the Galveston Bay, offshore, in Cabo or on the rivers of Colorado – those are her favorite places to vacation.


Gaynor Sherer


Prior to joining Specified Int+Ex, Rob spent around 20 years managing large retail territories as well as a few of his own retail stores. In addition to his operations experience, Rob brings a great deal of skill in the quantitative area. Rob's focus on efficiences and data management has been critical in helping Specified Int+Ex transform from a task oriented operation to a more process-based operation. Growing up in New Jersey, he learned business at a young age but never allows work to squelch a desire to make things fun. Rob brings the energetic, positive vibes anywhere he goes! Rob has a Bachelors in Mathematics from Thomas Edison State University and a Master's in BA from New York Institute of Technology.


Rob Sherer

Partner, Operations

Valerie is head of contractor sales and customer relations. Her continued focus on the relationships with our customers and manufacturers is instrumental to the success of Specified Int+Ex. Her passion is creating an engaging and enjoyable customer experience from the bidding stage all the way to a successful project intsallation. Valerie joined her father, Tony Boxell-Founder of SI, in 1999 and just celebrated her 24th Anniversary this year. Outside of the office, Valerie has 3 beautiful children, twin daughters Lily & Lexi, and her son Grayson. Valerie also enjoys fishing tournaments and traveling.


Valerie Boxell

Partner, Contractor Business Development

Taylor Boustead, joins the Specified Int+Ex team with over 15 years of experience in specialty manufacturing, working closely with A+D and contractor community on award winning projects. He believes that business is people and building long lasting relationships is the key to a fulfilling life. He graduated from the University of Oregon – Charles H. Lundquist School of Business with a BA in Business Administration and Management. Taylor, his wife Erika, three boys, and daughter just moved to Colorado, where they are enjoying the beautiful weather, playing outside and building new relationships. 


Taylor Boustead

VP of Sales- Mountain States

(CO, NM, UT, MT, WY)

Madison is originally from Houston and graduated from Texas State University with a BBA in Marketing. As the sales consultant for interiors in Austin and San Antonio, Madison focuses on being a reliable and knowledgeable resource to the A/D community by providing long lasting and innovative design solutions through our interior product lines.  In Madison’s free time she enjoys traveling, going to concerts, and working on her golf swing!


Madison Maurer

Sales Consultant-

South Texas Interiors

Craig Chedsey joins SI team with 18 years of A+D experience in consultative technical sales.  He graduated from Stephen F. Austin University in Nacogdoches, TX and set his sights on the growing city of Austin.  He spent his early career in Architectural coatings working directly with contractors and national accounts.  Growing his architectural products background, he was able to be an integral part of the design of several award-winning projects transforming the Austin skyline.  Outside of work, Craig and his family enjoy camping and riding/racing mountain bikes and dirt bikes.


Craig Chedsey

Senior Sales Consultant-

Texas Exterior 

As marketing coordinator, Gabby is focused on all aspects of our website, social media, samples, as well as implementing her design experience to create fresh new digital marketing materials that showcase our portfolio of products and spotlight projects. As the daughter of Gaynor and Rob Sherer, Gabby has grown up in the business and is excited to be joining the team. She graduated from Texas State University in May 2023, with her Bachelor’s in Fine Arts and minor in Marketing. In her free time, Gabby enjoys traveling, spending time with her friends and family, and working on art!


Gabriella Sherer

Marketing Coordinator


Anthony is one of our newest additions to the team and works as a contractor liaison for South Texas by facilitating pricing from all manufacturers to our contractor base. 

Anthony grew up in Houston, TX and graduated from TXST University in December 2022 with a BBA in Marketing & Management from the McCoy College of Business.  When he is not working, Anthony enjoys floating the river with friends, playing video games and traveling! 


Anthony Kurowski

Contractor Support- Texas

Anthony joined SI as an intern in 2020 and is now full time based on the West Coast. His primary role is working as a contractor liaison for the mountain region by facilitating pricing from all manufacturers to our contractor base, as well as performing our SEO. Anthony is attending University of Oregon studying Construction Engineering Management. In his free time he likes to hike, camp, garden and take care of his two rescue dogs and cat! 


Tony Sherer

Contractor Support- Mountain

Jaden is the newest addition to Team SI! 


Jaden Spencer

Operations Assistant

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