STACK Construction Technologies Names Viyas Sundaram as CEO

Sundaram to lead the company's next chapter of AI innovation in the construction industry

Published on Mar. 9, 2026

Got story updates? Submit your updates here. ›

STACK Construction Technologies, a leader in preconstruction software, has announced that Viyas Sundaram is joining the team as Chief Executive Officer. Sundaram, who previously served as Executive Growth Officer of Nemetschek and CEO of GoCanvas, will lead STACK's continued expansion and innovation, transforming the industry. As part of a planned leadership transition, Ray DeZenzo will move into an advisory role after successfully guiding STACK through a pivotal phase of growth and transformation.

Why it matters

STACK's appointment of Sundaram as CEO signals the company's commitment to accelerating its AI capabilities and digital workflows to help construction companies navigate challenges like tighter labor markets, uneven demand, and increasing project complexity. Sundaram's experience in scaling SaaS businesses and elevating go-to-market performance is expected to drive STACK's growth as a category leader in construction technology.

The details

Sundaram has nearly three decades of experience automating workflows with mobile platforms and boosting businesses' efficiency through streamlined manual processes. At STACK, he will play a pivotal role in continuing to develop the company's AI capabilities to accelerate digital workflows and reduce risk throughout the preconstruction lifecycle. STACK will also seek to build strategic partnerships to expand access and adoption of its preconstruction technology.

  • Viyas Sundaram is joining STACK as CEO on March 9, 2026.
  • Ray DeZenzo will move into an advisory role as part of a planned leadership transition.

The players

Viyas Sundaram

An experienced executive with nearly three decades of experience automating workflows and boosting business efficiency through technology. He previously served as Executive Growth Officer of Nemetschek and CEO of GoCanvas.

Ray DeZenzo

The outgoing CEO of STACK who successfully guided the company through a pivotal phase of growth and transformation. He will now move into an advisory role.

Ben Levin

A STACK Board Member and CEO and Co-Founder of Level Equity, a private equity firm.

STACK Construction Technologies

A cloud-based preconstruction software platform advancing construction's digital transformation, founded to fill a gap in integrated, cloud-based preconstruction solutions.

Got photos? Submit your photos here. ›

What they’re saying

“STACK is poised to revolutionize the preconstruction market. The team has created powerful momentum by marrying AI with next-generation workflows that support the trust our construction customers rely on to get work done. We will double down on innovation, be obsessive about delivering customer value, and set a new standard for how technology drives profitability and performance across construction. The next chapter starts now.”

— Viyas Sundaram, Chief Executive Officer

“Viyas Sundaram brings deep experience scaling SaaS businesses and elevating go-to-market performance, along with a genuine appreciation for building on strong, established foundations. Ray has been instrumental in instilling operational rigor and developing the leadership strength that position STACK for long-term success. With that foundation firmly in place, Viyas is the right leader at the right time to accelerate growth, expand our enterprise impact, and propel STACK into its next chapter as a category leader in construction technology.”

— Ben Levin, STACK Board Member and CEO and Co-Founder of Level Equity

What’s next

STACK will seek to build strategic partnerships to expand access and adoption of its preconstruction technology as Sundaram leads the company's next chapter of accelerated innovation and growth.

The takeaway

STACK's appointment of Viyas Sundaram as CEO signals the company's commitment to leveraging AI and digital workflows to help construction companies navigate industry challenges and achieve more predictable profitability. Sundaram's experience in scaling SaaS businesses is expected to drive STACK's growth as a category leader in construction technology.