Meet the TimberHP Sales Team
At TimberHP, our sales team brings together deep experience from across the building industry—builders, building science specialists, insulation experts, and problem-solvers who understand what it takes to move products from the yard to the jobsite. We work closely with architects, builders, dealers, and homeowners to share knowledge, support high-performance assemblies, and expand the use of TimberHP’s wood fiber insulation products—TimberFill, TimberBatt, and TimberBoard. United by a commitment to healthy buildings, strong communities, and a healthier planet, our team is here to help bring better building solutions to life.
Scott Johnston
Alex Donnelley
Kali Sipes
Barrett Booth
Mike Kelty
Charlie Robinson
Ken Kiefer
Paul Brinkman
Allison Zuchman
Andrew Marden
Gabrielle Lundy
John Rockwell
Scott Johnston
Scott Johnston is Senior Northeast Business Development Manager for TimberHP, the first domestic producer of wood fiber insulation. Scott has over 35 years of experience in channel sales and business development in the building materials and construction industry. Extensive field experience with fenestration and building enclosures having worked at Andersen Windows & Doors and Huber Engineered Woods in both residential and commercial segments throughout the Northeast. Responsible for the launch and demand creation of TimberHP products in New England.
Kali Sipes
Kali Sipes is a Sales professional with experience in bridging Architecture, Design, and building materials. As a Business Development Manager for TimberHP , Kali brings her expertise in relationship building, product positioning, and market strategy to the rapidly growing world of sustainable, wood-based insulation solutions. With a foundation in Architecture, Kali has partnered with leading firms to deliver innovative, high-performance materials that align with both design intent and environmental responsibility. Known for her entrepreneurial mindset, competitive drive, and collaborative approach, she thrives on creating authentic connections that drive growth.
Outside of work, Kali channels her leadership skills into coaching youth track athletes, emphasizing resilience and confidence.
Barrett Booth
Barrett is an accomplished sales leader and territory manager with over 25 years of experience across industrial, construction, and building material channels. Before Timber HP, Barrett held sales-related positions and managed high-performing teams with IKO Industries, Fastenal, and Nestlé Purina. His knowledge of the products and ability to develop strong, trusting customer relationships with a customer-focused approach have given him great success in consistently exceeding sales targets and driving revenue growth. Barrett holds a BS in Animal Bioscience from Penn State University, which laid the foundation for his early sales career with Nestle Purina. Barrett loves to build relationships outside his work through outdoor activities. He is a former youth lacrosse coach and mentor and enjoys spending time mountain biking, camping, and kayaking.
Mike Kelty
Mike Kelty Business Development Manager Mid Atlantic, comes to Timber HP with 35 years of channel sales and building development experience in the building materials industry. Extensive knowledge of building envelopes/wall systems having worked for three of the largest masonry manufacturers in North America. Mike brings a deep understanding of both the commercial and residential markets throughout the East.
Charlie Robinson
Charlie Robinson is the Chief Sales and Marketing Officer (CSMO) at TimberHP, where he leads all commercial functions, including sales, marketing, business development, product development, customer service, compliance, public relations, and go-to-market strategy.
With over 25 years of leadership experience at startups and Fortune 100 companies, Charlie has consistently delivered transformational growth through brand innovation, category creation, and market expansion. At The Coca-Cola Company, he led the $1.1B launch of DASANI®. At Huber Engineered Woods, he co-led the development and commercialization of ZIP System®, building it into the dominant brand in the integrated weather-resistive barrier category and a significant contributor to JM Huber’s $2.3B portfolio. Most recently, at Shurtape Technologies, he advanced an $8M+ OEM pipeline, secured long-term supply agreements, and drove the development of proprietary building technologies.
An entrepreneurial and collaborative leader, Charlie has built and scaled high-performing teams, pioneered consumer-centric marketing approaches in the building materials sector, and successfully managed multi-billion-dollar product portfolios across both B2B and B2C markets. At TimberHP, he is committed to scaling renewable, carbon-negative wood fiber insulation products—including TimberBoard, TimberBatt, and TimberFill—that are essential to decarbonizing the built environment.
Charlie’s leadership and marketing excellence have been recognized with multiple national industry awards, including National Gold Awards for ZIP System® and AdvanTech® campaigns, and he continues to foster an agile, innovation-driven team culture focused on impact and sustainable growth.
Ken Kiefer
Paul Brinkman
A native New Englander with 30+ years in the lumber, building materials and insulation industries, Paul has seen all sides of these industries from retail to distribution to manufacturing .
Prior to joining the team at Timber HP, Paul held sales related positions with Cameron Ashley and U.S. Lumber/ Boston Cedar where he excelled at product knowledge and problem solving, and is recognized for consistently delivering an exceptional customer experience.
Outside of work, Paul enjoys time spent with family, traveling, Boston sports and getting outside to play golf and hockey.
Allison Zuchman
Allison is an architecture and green building professional expert at collaborating with project teams to explore healthy, low-carbon, creative building solutions together. Drawing on deep experience with green building certification projects, portfolio-wide client efforts, and education work, she connects the dots helping teams navigate architecture and construction goals in a clear and practical way. In her role as Market Intelligence & Lead Development Manager at TimberHP, Allison focuses on the New England market, supporting sales and technical services team with relationship-driven market insights and early-stage project development. Inspired by leadership in non-toxic, recyclable, bio-based insulation and its role in local economic development in Maine, Allison brings a mission-driven mindset and passion to every partnership and project.
Andrew Marden
Native of central Maine, Bachelor’s in Sport Studies & History from the University of New Hampshire, Master’s in Sport Management from Southern New Hampshire University. Third generation of my family to work in LBM industry sales, as a kid my parents owned a retail lumber yard, so I have a long history with the industry. Spent the last 5 years working as the sales manager for Maine Wood Treaters, I am passionate about timber as a resource and extending its longevity and sustainability. I live in York, Maine with my wife and enjoy hiking, skiing, fishing, and traveling.
Gabrielle Lundy
Having over a decade of experience in sales and manufacturing in the building materials industry, I’m proud to represent TimberHP as their Strategic Account Manager for New York State.
In this hybrid role, I work alongside specifiers, builders, contractors, and distributors, providing support and education. My goal is to support the industry with high performance insulation solutions that are carbon negative and yield an uncompromised user experience.
I currently sit on the board for the Central New York Lumber Dealers Association, and I am the New York Trustee for NYLE, North American Young Lumberman’s Employees.