mover and shaker

Houston recycling company names new CEO

David Hudson has been named CEO of Elemental Recycling. Photo via LinkedIn

A Houston company that turns recycled plastics into high-purity graphene and hydrogen has named its new leader.

David Hudson has been named CEO of Elemental Recycling. The company, founded in 2019, is an investment of Freestone, a portfolio company of Tailwater Capital. He succeeds Tom Samuels, former CEO and board chair of the company.

"With over two decades of proven expertise in driving strategic growth and profitability across the recycling, waste management, sustainability, and decarbonization sectors, David brings a wealth of experience that makes him the ideal leader to take the reins and guide Elemental into its next phase of innovation and growth," Samuels says in a news release. "I am excited about the possibilities that lie ahead for the company under David's leadership. His proven track record and passion for driving positive change make him the perfect steward for the next chapter of Elemental's journey."

Hudson has over 20 years of experience within sustainability across industries. He founded and led Circulus Holdings, a company that turned post-consumer plastics into resins for commercial and industrial use. In that role, he raised almost half a billion dollars in investments, per the news release. He also held leadership roles at Ara Partners, Avangard Innovative, Recology, and Strategic Materials.

"I am grateful for the opportunity to join this exceptional team and contribute to the continued success of Elemental," Hudson says in the release. "Tom's leadership, along with the vision of founders Ron Presswood and Ian Bishop, has positioned the company to become a driving force in the recycling, sustainability, decarbonization, and advanced materials sectors.

"Elemental boasts an exceptional team, and I am eager to collaborate with each member as we navigate the path ahead," he continues. "I am confident that, together, we will grow the Company into a major player in the graphene and hydrogen production spaces and continue to advance Elemental's mission of sustainability."

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A View From HETI

Helix Earth is developing a retrofit technology that has the potential to cut HVAC energy use by up to 50 percent. Photo via Getty Images

Houston-based Helix Earth Technologies has closed a $12 million Seed 2 funding round to scale manufacturing of its energy-efficient commercial HVAC add-on technology.

Veriten, a Houston-based energy investment firm, led the round. Rua Ventures, Carnrite Ventures, Skywriter LLC and Textbook Ventures also participated.

Helix Earth—which was founded based on NASA technology, spun out of Rice University and has been incubated at Greentown Labs—is developing high-efficiency retrofit dehumidification systems that aim to reduce the energy consumption of commercial HVAC units. The company reports that its technology can lead to "healthier indoor air, lower energy bills, reduced building maintenance, and more comfortable spaces for building owners and occupants."

"Building owners are dealing with rising energy costs, uncontrolled humidity, and aging infrastructure with no viable, cost-effective path forward. We are in the field today solving these problems for commercial customers, and this capital puts us on an aggressive path to scale,” Rawand Rasheed, Helix Earth co-founder and CEO, said in a news release.

“The strength of this round reinforces our team's conviction that we can transform innovation-starved sectors with transformational solutions that deliver order-of-magnitude improvements to owners and operators, for both their bottom line and the environment,” Rasheed added.

Maynard Holt, Veriten’s founder and CEO, said that the investment firm is tripling its investment in Helix Earth.

"The team has built breakthrough technology with real applicability across multiple industries,” Holt said in the release. “Their first product will have an immediate and measurable impact on our energy system, and they are already pursuing adjacent innovations to help heavy industries operate more efficiently and with less waste. This is a well-rounded team with a proven track record of strong execution and disciplined capital management.”

Helix Earth also closed a $5.6 million seed funding round in 2024, led by Veriten.

Last year, the company secured a $1.2 million Small Business Innovation Research (SBIR) Phase II grant and won in the Smart Cities, Transportation & Sustainability contest at the 2025 SXSW Pitch Showcase. Rasheed was also named to the Forbes 30 Under 30 Energy and Green Tech list for 2025.

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