Lee began his career as a consultant at Ernst & Young and KPMG, where he led projects involving business process diagnostics, strategic planning, and business implementation. He later joined CBRE Korea, where he headed the Consulting Team and delivered key advisory projects in investment management, large-scale mixed-use development, and corporate real estate optimization—providing clients with actionable insights into property utilization. At Savills Korea, Lee leads Real Estate Strategy & Solutions division, offering tailored services across development advisory, investment evaluation, CRE portfolio strategy, and market due diligence.