Key facts
- Robin Rossmann will become CoStar Group's chief financial officer on July 31, 2026.
- Rossmann succeeds Christian Lown, who is leaving the company.
- In his previous role, Rossmann eliminated approximately $51 million in costs in Europe.
- Rossmann also delivered double-digit revenue growth and launched CoStar in France.
- Rossmann joined STR in 2016 and has been with CoStar Group since its acquisition of STR in 2019.
CoStar Group announced that Robin Rossmann will assume the role of Chief Financial Officer, effective July 31, 2026. Rossmann, currently the managing director for Europe, will succeed Christian Lown, who is departing the company to pursue an opportunity outside its industry. CoStar stated that Lown's departure was amicable and not related to any operational disagreements.
In his new capacity, Rossmann will lead CoStar's global finance organization, responsible for financial and operational performance, capital allocation, financial planning, and investor relations. He will report directly to founder and CEO Andy Florance.
During his two-year tenure leading CoStar's European operations, Rossmann implemented significant changes, eliminating approximately $51 million in costs, which represented about 25% of the region's cost structure. Concurrently, he achieved double-digit revenue growth and successfully launched CoStar in France.
Rossmann joined STR in 2016, overseeing businesses across EMEA, Asia Pacific, and Latin America. He became part of CoStar Group following its acquisition of STR in 2019. Over his tenure with both companies, he has been instrumental in launching global products, integrating acquisitions, scaling international operations, and driving strategic initiatives.
CEO Andy Florance praised Rossmann's combination of financial expertise, operational leadership, and ability to drive both cost reduction and growth, noting his success in expanding margins across CoStar's international businesses. Rossmann, a chartered accountant, previously spent 13 years at Deloitte, advising global real estate and hospitality companies on various financial matters.
Rossmann expressed his enthusiasm for the new role, stating his intention to focus on disciplined capital allocation, operational efficiency, margin enhancement, and profitable growth to deliver shareholder value. Florance also extended his gratitude to Lown for his service.