John Van Tessel

Chief Executive Officer Spacewell

Last Reviewed: September 28, 2026

Executive Summary

John Van Tessel is Chief Executive Officer of Spacewell, a Nemetschek Group company that makes smart building software covering workplace, maintenance and energy management. He became CEO on 1 March 2025, coming from outside the company after more than 20 years in the software and technology industry. His background is on the commercial side of enterprise software. Spacewell lists senior commercial leadership roles at Accruent, SAP, HP, SAS Institute and Cenosco, and describes a record of scaling enterprise SaaS businesses and driving ARR growth.

Career Highlights

• Appointed Chief Executive Officer of Spacewell, part of the Nemetschek Group, effective 1 March 2025.
• Leads Spacewell’s overall strategy and growth, with a focus on building high-performing global teams and strengthening the company’s market position.
• Held senior commercial leadership roles at Accruent, a facilities and real estate software company, before joining Spacewell.
• Earlier held senior commercial leadership roles at SAP, HP, SAS Institute and Cenosco.

Professional Journey

Van Tessel’s career has been in enterprise software sales and commercial leadership. According to Spacewell, he spent more than two decades in the software and technology industry, with expertise in SaaS, digital transformation and international business expansion. Before Spacewell he held senior commercial leadership roles at SAP, HP, SAS Institute, Cenosco and Accruent. Of these, Accruent is the closest to his current work, since it also sells software for managing facilities and real estate. Spacewell does not give titles or dates for these roles.

Spacewell began as MCS in Antwerp, where it built software that turned CAD floor plans into database objects that facility and real estate managers could use. It joined the footprint of the Nemetschek Group, which describes itself as a global leader in digital solutions for the built environment, in August 2018. It then bought the Dutch SaaS provider Axxerion in January 2019 and the Spanish energy-data platform DEXMA in December 2020. Its products now cover integrated workplace management, maintenance and energy.

Spacewell announced Van Tessel as Chief Executive Officer on 7 March 2025, effective 1 March. The company said his appointment was meant to speed up its global growth, brand consolidation and innovation in smart building products. Marc Nézet, Nemetschek’s Group Chief Strategy Officer, called it “the beginning of an exciting new chapter”. On joining, Van Tessel described Spacewell as “a leader in smart building technology, empowering organizations to optimize their real estate and workplace performance through data-driven insights.” He sits on a leadership team that includes a CFO, CHRO, CTO, CPO, CMO and COO.

Education

No education record was found in the sources reviewed.