Our Team

Cool Roof Concepts Inc. gks_commercial is an independent manufacturer’s representative firm for Duro-Last products in West and South Texas. With over 40 years of experience in the commercial roofing industry, our team is dedicated to providing quality sales and service.


Daniel Lakstins

The grandson of a roofer, Daniel learned the family business in his late teens. Combining this knowledge with sales skills, Daniel & his brother Joel became successful in residential roofing in his hometown of Indianapolis. He credits another roofing contractor with suggesting that he become a manufacturer’s representative and now calls it his “dream job.” Daniel likes to play golf when he has time and also enjoys making home brew beer.

Joshua Ramirez

Josh graduated with an A.S in Information Technologies from South Texas College and lives in Edinburg, Texas. Josh worked as an installer of the Duro-Last system before college and finished the Duro-Last rep boot camp training in Saginaw, Michigan, in December 2017. He is also a dance instructor and likes to drive fast cars.

Leah Lakstins

Leah has over 20 years in the roofing industry. First working for a Florida based contractor, then as part of the Cool Roof Concepts team. In 2010 she achieved the USGBC LEED Green Associates certification. Leah is a huge fan of her hometown Louisville Cardinals. She also enjoys DJing and playing flag football.