Uusiheimala worked as the Director of investments at Vision Capital, a leading New York based late-stage venture capital fund with $850m assets under two funds, where he sourced, analyzed, negotiated contracts for, and closed dozens of venture investments totaling $250 million and was involved with all 12 of the fund's portfolio company IPOs on NASDAQ. He published a book "Covenants Used in Venture Capital Financing in the Light of Contracting Theories" while in law school. He is an expert at negotiating and navigating the law firms, investment banks, and venture capital investors for early stage companies. He ran Vision Capital's China fund in Beijing 2010-2011. After Vision Capital, he formed Halifax Partners, a venture capital and strategic advisory firm for early-stage technology companies, where he has helped several Seed and Series A stage startups raise the capital they needed across cyber security, SaaS, B2C apps, consumer goods, and manufacturing in the renewable energy space. He currently serves as an advisor to two AI-enabled companies in B2B software and mental health. While actively engaged with his clients, he has led their financial planning, budgeting, forecasting, and the creation of three statement financial models and DCF valuations for several early stage companies across industries, and even re-engineered the global supply chains of consumer goods company post COVID reducing their production lead times by 30% as their interim CFO/COO. Prior to Halifax, he worked at Goldman Sachs & Co as an expert consultant. Prior to his venture capital career, he worked at a law firm serving public and private technology companies across their capital formation and business needs. Prior to that, he ran the US business development for CRF Health, a digital health software startup that reached a Unicorn status with $1Bn exit valuation.