Our Team

Our team consists of veterans from the finance and venture capital worlds in Asia.

We bring a deep network across industries, experience serving entrepreneurs and rigor assessing disparate asset classes over decades to deliver superior results in our advisory and investment businesses.

Melody He
Co-founder & Partner, Co-Head of Spartan Advisory
Melody, a native of Beijing, has been an active early stage tech investor over the past decade and an early investor in blockchain companies.
Previously, Melody was an investment partner at MOX/SOSV, a global top accelerator VC. Melody was part of Trilogy Ventures, a China-based early stage venture fund, where she screened hundreds of investment opportunities, led over a dozen early stage investments and launched ChinaStars, a university hackathon.
Prior to being a venture investor, Melody started her career in finance at the Investment Banking Division of Goldman Sachs and UBS. As an entrepreneur, Melody also had an award winning mobile app and worked with China's leading private schools to develop their mobile education products.
Casper B. Johansen
Co-founder & Managing Partner, Co-Head of Spartan Advisory
Based in Asia since 2004, Casper has worked as an investment banker, tech entrepreneur, corporate executive and private equity investor.
Casper co-heads Spartan’s advisory business, which works with industry leaders in the blockchain and decentralized finance space. Prior to Spartan, Casper spent 10 years in the Investment Banking Division at Goldman Sachs in their London, Hong Kong, Beijing and Singapore offices, where he led and worked on more than $20 billion of M&A and capital markets transactions.
Casper has been an active tech angel investor for over a decade, and is an active blockchain and digital assets investor. Prior to his corporate career, Casper was an officer in the Royal Danish Air Force and received a bachelor and master of laws from Aarhus University in Denmark.
Kelvin Koh
Co-founder & Partner, CIO, Spartan Capital
Kelvin has over 20 years of experience in investment and research across multiple asset classes and geographies.
Prior to serving as CIO of Spartan Capital, the hedge fund arm of Spartan Group, Kelvin was Managing Partner of Trident Venture Partners, an early stage venture capital firm.
Previously, Kelvin was a Partner and China CIO at Indus Capital, an Asia-focused equity hedge fund with over $6.5 billion in assets under management. Before joining Indus Capital, Kelvin was also Partner and Head of Research at Goldman Sachs, where he spent 18 years across its Singapore, Hong Kong and Beijing offices. He started his career there as a research analyst, during which he garnered top rankings from Institutional Investor, AsiaMoney and Greenwich Associates for his industry-leading analysis.
Jason Choi
Head of Research
Prior to Spartan, Jason spent 2 years researching cryptoassets and sharing some of his conversations on The Blockcrunch Podcast.
Jason first came across Bitcoin while a student at the Wharton School of Business. There, he helped launch Contrary Capital, a decentralized, first-check venture fund backed by executives from Facebook, Tesla, Twitch, and Reddit. Turning his attention to crypto, Jason grew Blockcrunch, a research-driven cryptoasset podcast targeting global institutional investors, to 10% of global shows in the world by per episode downloads within 1.5 years.
Prior to returning to Hong Kong, Jason was an analyst at Deloitte Consulting's New York office assisting with the firm’s fintech and blockchain initiatives, and interned at global macro hedge fund Bridgewater Associates.
Dominika Nestarcova
Head of Legal & Regulatory
Prior to joining The Spartan Group, Dominika was a research associate at the Centre for Banking and Finance Law, National University of Singapore. Dominika's research targeted the technical elements of distributed ledger technologies and associated legal and regulatory issues, with a specific sectoral focus on financial services and capital markets.
Her research examined the regulatory treatment of initial coin offerings and the interaction between venture capital and the crypto-economy.
Dominika graduated from the University of St Andrews in Arabic and International Relations (2014) and completed her LLB at the Queen Mary University of London (2016) and her LLM at the National University of Singapore in Corporate and Financial Services Law (2017).
Felicia Koh
Head of Operations
Felicia holds a Bachelor of Science Degree in Economics and Management.
As Head of Operations in Spartan Group, she assists in all the different projects and fulfils the operational needs of the firm. Additionally, she is also in charge of market research and events planning.
Tommy Chang
Advisory Associate
Tommy joined Spartan as an advisory associate to help blockchain projects establish a presence in the Asian market. In the past, Tommy has worked as a project manager for cloud server industry, a tech entrepreneur for an investing platform, and head of research for a venture firm.
Prior to joining Spartan, Tommy was head of research at Red Building Capital, a venture firm with a focus of blockchain investment. Having discovered crypto in early 2017 and actively invested in over 20 projects, Tommy believes in a decentralized web 3.0 and an open financial system. During the crypto craziness of 2017, Tommy co-founded Block Panther, an ICO investing platform that served thousands of crypto investors worldwide through primary market investing. He was also a product manager at Quanta Computer and helped 8 server products to clients including Dropbox, Uber, and Microsoft, generating over 2M USD in one year.
Tommy graduated from the University of Illinois with a B.A. in business in 2014.
Bart Mahendran
Prior to joining Spartan Group, Bart worked with SOSV (#2 most active seed investor in the world) in Shanghai, helping early-stage projects draw investments and establish a foothold in Asia. It was here where he first learned about Blockchain and digital assets. Since then, Bart has also worked within the assets trading space, servicing brokers in APAC. His experience in blockchain research includes on-chain surveillance and transaction monitoring. Bart also has Management Consulting experience during his stint with Accenture, where he worked on projects to help digitize Singapore's supply chain ecosystem. Bart is an engineering graduate from the National University of Singapore, and previously served as a military officer with the Guards Formation (Singapore Armed Forces).
Darren Lau
Prior to Spartan, Darren was with CoinGecko, the world's largest independent cryptocurrency data aggregator for two years. He started there as an intern and helped to revamp their ICO section, contributing to their quarterly reports and keeping up to date with the latest market trends. Most recently, he co-authored their How to DeFi ebook, which is CoinGecko's first ebook. He has since supported several CoinGecko DeFi initiatives and was one of the masterminds behind their new DeFi section. For his work with CoinGecko and in yield farming, he was recognised by Flipside Cryto as an "Unsung Hero".
Darren graduated from Sunway University with a BSc(Hons) in Financial Analysis in 2020.

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