Our Team

Sunny Tsun
Founder, Managing Director
Founded Enva Solutions in early 2024 with a vision to deliver impactful solutions in environmental sustainability.
Brings over 26 years of real estate investment management experience, including 23 years at GIC and brief roles at Ping An and SEB Investment. Most recently served as Managing Director and Head of Office for GIC Australia.
Extensive track record in establishing business platforms, structuring investments, and building high-performing teams. Led investments in over 100 transactions with more than US$10 billion in equity capital over his career.
Graduated from NTU in 1997 (First Class Honours, Actuarial Science) and is a qualified Chartered Financial Analyst (CFA).

Kevin Kee
Senior Director
Extensive experience in building and supporting startups, including co-founding two businesses, E2S2 Systems and Novofomes. Managed Singapore’s national program supporting deep-tech startups, assisting over 20 companies with technology validation and cost optimization.
Deep industry experience in chemicals, beginning as a research engineer at DuPont and subsequently taking on various roles at Milliken and Solutia (now Eastman), including product development, customer support, quality assurance, technical sales, and regional marketing. Developed the world’s first nucleating agent for polyethylene, a significant innovation for Milliken Chemical.
PhD in Chemical Engineering from the University of Cambridge.

Su Di
Senior Manager
Strong capability and expertise in corporate management, with a focus on human capital development, strategic partnerships, and investor relations management.
Played key roles in driving Southeast Asian expansion for a China-listed electronic gaming company and supported successful capital raising of USD 200M for a rental apartment fund targeting China’s Tier-1 cities.
Holds a Bachelor of Science in Real Estate (Hons) from the National University of Singapore, and a Master of Property Development with Excellence from the University of New South Wales.

Lim Boon Siong
Head of Finance and Operations
Over 20 years of finance experience within the Fast Moving Consumer Goods (FMCG) industry across diverse markets in Asia, MENA, and Europe.
ACCA-qualified with extensive knowledge in financial management, commercial partnerships, controllership, risk management, and system implementations.
Led a finance and logistics team in a US$300M region.

Tan Kiat Leong
Senior Technical Adviser
Registered Professional Engineer (Mechanical) in Singapore with 35 years of leadership in M&E consultancy, sustainable building solutions, technical audits, facilities and project management. He has held senior roles, including Executive Director, Technical Fellow, and Board Director at Beca Carter Hollings & Ferner (SE Asia), and General Manager at CPG Facilities Management.
Recognised as a pioneer in high-performance building systems and green engineering, he has received industry honours such as the BCA-SGBC Green Engineer Award, MND R&D Distinguished Award, and IES Prestigious Engineering Achievement Award.
He has led several R&D projects in HVAC and sustainability in collaboration with agencies such as EDB and the University of California, Berkeley. Actively shaping the industry, he serves on national advisory panels and lectures at the Singapore University of Social Sciences on Energy Audit & Management.


