The Firm
Esfera Investment Group is a private hedge fund with offices in Tampa, FL and San Diego, CA. We manage capital across equity markets with a senior team that has operated at the highest levels of institutional finance — from the NYSE trading floor to the top firms on Wall Street.
Founded on the principle that active management, done right, outperforms — and that the best returns come from discipline, not speculation.

Structure
Hedge Fund
Headquarters
Tampa, FL
West Coast Office
San Diego, CA
Focus
Equity Markets
A senior team with institutional backgrounds across Wall Street, private equity, and active trading.
Managing Partner, CIO
Tampa, FL & San Diego, CA
Jon Parker is the Founder and Managing Partner of Esfera, with a career spanning private equity, capital markets, and active management across public and private markets. He brings over $150 million in investment and transactional experience, with deep expertise in capital deployment, risk management, and opportunistic portfolio construction. At Esfera, Jon oversees the firm's investment strategy, risk framework, and a diversified portfolio spanning equities and select private opportunities. His approach is grounded in systematic risk management, asymmetric positioning, and disciplined capital allocation — designed to generate consistent returns while maintaining rigorous downside control across varying market conditions. Jon invests significant personal capital alongside the fund, ensuring full alignment with investors.
Senior Investment Advisor
Tampa, FL
Steve Pachoe is an investor and trader with decades of experience across public and private markets, with a focus on equities, commodities, and derivatives. Throughout his career, Steve has operated across institutional and proprietary trading environments, including as an owner/member of the New York Mercantile Exchange, where he specialized in oil futures and refined products. He also held senior roles at prominent Wall Street firms including a major bulge-bracket investment bank, developing a disciplined approach to market analysis, risk management, and capital allocation. At Esfera, Steve applies this experience through active participation in equities and derivatives markets, focusing on structured, repeatable strategies designed to perform across varying market conditions.
Senior Trader
Tampa, FL
Scott is a trader and investment professional with a background in quantitative strategies, market microstructure, and real-time execution across equities and derivatives. He began his career at GTS, one of the leading electronic market-making firms on Wall Street, where he focused on capital markets analysis and data-driven trading strategies. Scott advanced to a full-time trading role on the New York Stock Exchange, where he developed a disciplined approach to portfolio management and intraday decision-making. At Esfera, Scott leads trading operations and strategy execution, overseeing the implementation of systematic models and real-time portfolio adjustments.
Investment Advisor
San Diego, CA
Nicholas is an Investment Advisor with a background in financial markets, portfolio analytics, and data-driven investment strategy. He studied Economics at Rensselaer Polytechnic Institute, where he developed a strong foundation in market analysis, modeling, and capital allocation. Nicholas previously worked at Ultimus LeverPoint Private Fund Solutions, a leading administrator for private equity and venture capital funds, where he specialized in fund reporting, investor communications, and performance tracking across complex portfolios. At Esfera, Nicholas focuses on portfolio analytics, performance evaluation, and refining data-driven insights to enhance risk-adjusted returns and overall strategy execution.
Investor Relations — West Coast
Encinitas, CA
Aaron Packer brings extensive experience advising clients through complex, high-value transactions across multiple asset classes. With a background spanning capital markets, boutique private equity, and business development, Aaron has built a career on earning deep client trust and delivering consistent results. His relationships are defined by long-term commitment, discretion, and a proven ability to guide sophisticated clients through consequential financial decisions. At Esfera, Aaron oversees Investor Relations and Business Development, serving as the primary point of contact for both prospective and current investors.
Reach out to our team directly.