Designed to be different interior design exterior 

Jennifer "Jeni" Beecher |  Operations Manager & EA to Gaynor Sherer

Prior to joining Specified Intex Rob Sherer spent 20 or so years managing large retail territories, as well as, a few of his own retail stores.  In addition to his operations experience, Rob brings Specified Int+Ex a great deal of skills in the quantitative area.  Rob’s focus on efficiencies 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 is our energetic one and brings lots of positive vibes any where he goes!! Rob has a Bachelor’s in Mathematics from Thomas Edison State University and a Master’s in Business Administration from New York Institute of Technology. 



A strong work ethic, an open-hearted and engaging personality, and a laugh that makes you want to smile with him; Gregory Lincoln Lake is the Vice President of Sales at Specified Interiors. Born and raised in Alexandria - St Ann, Jamaica. Then, moved to the United States where he attended college and went on to earn a Bachelor of Architecture degree from Mississippi State University. After graduating, Gregory moved to Houston where he joined HOK, a global design, architecture, engineering and planning firm. It was here where he became a licensed architect, a LEED accredited professional. In his free time, Gregory spends time with his beautiful family of four.  He also volunteers his time into coaching where he is a level 1 certified track & field head coach at the Northwest Flyers Track Club. He also holds a Black Belt in Karate.

Jeni joined our team in 2017 and is better known to us as "Team Mom". She always goes above and beyond for the team and handles all the behind-the-scenes work!! She brings over 13 years of Executive Administrative experience to the table with expertise in office management, event planning and marketing. She oversees all administrative functions, SI events, and a million other tasks! Jeni also stays busy with her Husband of 15 years and their two kids, Emmy and Cash. They appreciate the lake life, dancing, church and anything adventurous!! 

Gregory Lincoln Lake AIA, LEED® AP BD+C

​Vice President | Sales

As our marketing representative, and newest addition to Team SI, Madison has a goal to bring a fresh take on our social media, as well as implement marketing strategies to cultivate new business relationships. She is a breath of fresh air and so fun to work with! Madison is originally from Houston and recently graduated from Texas State University with a BBA in Marketing. When she is not working, she enjoys traveling, hanging out with friends, and you can usually find her at an Astros game on the weekends!

Specified Int+Ex, established in 1980, is an Independent Manufacturer’s Consulting Firm, representing architectural interior and exterior specialty finish products in South Texas.




Team SI

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 attending TXST University and a son entering his senior year of high school. 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!


Rob Sherer | Controller

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 installation. Valerie joined her Father, Tony Boxell-Founder of SI, in 1999 and she just celebrated her 20th Anniversary this year at Specified Int+Ex (previously Specified Interiors). 


Outside of the office Valerie has 3 beautiful children, twin daughters Lexi & Lily, and her son Grayson. She is the head coach for her daughter’s volleyball team and attends many baseball games for her son. Valerie also enjoys fishing tournaments and traveling. 

Gaynor Boxell Sherer President

Valerie Glidwell | Contractor Business Development

Madison Maurer | Marketing