
Bregal Sphere
04 Jun 2026

meteoviva GmbH (“meteoviva”), a pioneer in AI-powered predictive building energy management, today announced the appointment of Achim Berg as Chairman of the Board. The appointment follows Bregal Milestone’s majority growth investment announced in May 2026. meteoviva’s intelligent solutions combine a proprietary physics-based thermodynamic model with AI to deliver energy cost reductions of up to 45 percent across large-scale commercial real estate portfolios, without structural retrofits.
Achim brings more than three decades of leadership experience across technology, software and digital businesses. He served as President of Bitkom, Germany's digital industry association, from 2017 to 2023, and spent nearly a decade as an Operating Partner at General Atlantic. Before that, he was Chief Executive of arvato AG, Bertelsmann's largest division with more than 70,000 employees, and a member of the Bertelsmann executive board. He has also held senior roles at Microsoft, including General Manager of Microsoft Germany and Corporate Vice President of its Windows Phone division, as well as earlier positions at Deutsche Telekom, Fujitsu Siemens Computers and Dell.
As Chairman, Achim will work with meteoviva's management team and Bregal Milestone to accelerate the company's growth in new European markets, advance its AI and autonomous-control roadmap, and broaden its solution suite.
Achim Berg
Chairman - meteoviva
Eric Giese
Managing Director - meteoviva
About meteoviva
meteoviva is the leading AI-powered solutions provider for predictive and autonomous building energy management. Its proprietary physics-based thermodynamic model, combined with AI, enables institutional real estate owners and operators to deliver guaranteed energy cost reductions, carbon emission savings, and compliance with European sustainability regulations including the European Energy Performance of Buildings Directive (EPBD), all without structural retrofits. With more than 14 million hours of operating data, 500+ deployments, and ISO 27001 certification, meteoviva is accelerating the decarbonisation and digitisation of the built environment worldwide. For more information on meteoviva, visit www.meteoviva.com or follow us on LinkedIn.
About Bregal Milestone
Bregal Milestone is a leading sector-specialist private equity firm with c.€2.2 billion of capital raised since inception. The firm provides growth capital and operational support to build market-leading companies in B2B software, AI and cybersecurity. Bregal Milestone was recognized by GrowthCap as one of the Top Private Equity Firms of 2025. For more information, visit www.bregalmilestone.com or follow us on LinkedIn.
Contact:
For meteoviva
Dr. Jennifer Fest
Head of Marketing & Communications
jennifer.fest@meteoviva.com
For Bregal Milestone
Siqi Wu
Marketing & Communications Manager
siqi.wu@bregal.com