The Flexstone Team

Composed of Knowledgeable Professionals

President & CEO

Ken Magoski
Ken has been involved in the construction and waterproofing industry for upwards of 20 years. His wealth of knowledge, leadership skills and vast experience in the business and with Flexstone / Tufflex in particular is invaluable.


Demi Christou

Demi led Flexstone's transition from a construction and roofing brand to a national distributor of waterproofing membranes. He manages product marketing, inventory management, purchasing, sales, and general day-to-day company operations.

Office Manager

Carolyn Poon
Carolyn manages and oversees all administrative and accounting processes. Her vast experience and entrepreneurial background allow her to manage daily office operations with surgical precision.

Distribution Manager

Ryan Gomes

Ryan has been working with Flexstone since 2013 and has proven invaluable. His attention to detail, product knowledge, and organization skills keep our shipping and receiving department running smoothly and efficiently.

Sales & Tech Support

Rick Pearson

Rick comes from a background in customer support and approaches sales in a way that puts the best interests of the customer first. Always willing to assist customers and staff in any department, Rick’s versatility and team-first attitude is perfect for his diverse and important role within the organization. Rick also manages large projects.