Our team
At 3stone, relationships, reliability and results are central. Our five partners are personally involved in every transaction. With deep experience and a proven track record, we add tangible value to complex processes. This makes 3stone a distinctive advisory partner for developers, investors and companies that expect more than conventional brokerage or standard advice.
Gerard M.J. Lakeman
Partner
Advises institutional investment transactions, combining inventiveness with profound market intelligence.
- gerard.lakeman@3stone.nl
- + 31 6 14 72 76 53
Mathijs J. Flierman MRE MRICS
Partner
Advises on high-profile investment transactions, backed by decades of experience and cross-sector expertise.
- mathijs.flierman@3stone.nl
- + 31 6 15 88 01 78
Eric L.M. Heijkoop
Partner
Advises on strategic real estate decisions for clients who prioritise long-term partnership and transparent counsel.
- eric.heijkoop@3stone.nl
- + 31 6 14 72 76 52
Renaldo E.H. Thewissen
Partner
Advises on complex residential investments and development strategies with financial depth, focused on value creation and decisive execution.
- renaldo.thewissen@3stone.nl
- + 31 6 25 11 08 51
Marc W.J. Rimmelzwaan
Partner
Provides strategic direction on corporate accommodation mandates, acting as the central coordinator between stakeholders.
- marc.rimmelzwaan@3stone.nl
- + 31 6 14 72 76 48