Stephen Naehr

Professional Experience

Valuation, Quantitative Finance, and Risk Management

[email protected]

Personal Profile

With a remarkable mathematical and computational background, and deep experience in finance and commodities and energy trading, Stephen is committed to deconstructing the complex for the right reasons:  Translating technical for everyday understanding powers teams with people of diverse skill sets to achieve their broader objectives.  CEOs and CFOs, auditors and CPAs, investment funds, private equity and VC clients all benefit from his insight.

Valuation and financial modeling, analytics, risk management and senior consulting show his indelible stamp upon energy trading and investment, hedge funds, and private equity.  His innovative mathematical, computational and financial perspective is rooted and further enriched by formal analytical training at Rice University where he earned a Ph.D. in Physics modeling space weather.

His vision is full-range financial services from the ubiquitous to the most specialized, done efficiently and at scale using processes refined and enhanced over years powering proven results.  Financial advisory and guidance from the stakeholder’s point of view, delivered by a subject matter expert blending highest level expertise from on the ground insight. It’s the Vine Advisors difference:  Top tier services at greater value with real personal attention.

Significant Experience

Natural Gas Hedge Fund
Founding Partner
Chief Financial Officer
• Responsible for risk, operations, and business management
• Guided strategy on risk management and capital efficiency
• Developed custom P/L reporting and trading risk management system
• Produced models for option pricing, Value-at-Risk, and fundamentals analysis

Natural Gas Hedge Fund
Director of Risk and Analytics
• Led team of research, operations, and IT personnel
• Advised leadership on portfolio risk, personnel management, and strategy
• Coordinated IT, trading, and operations personnel
• Developed in-house risk system
• Designed data visualization and statistical models
• Created models for option pricing, Value-at-Risk and scenario-testing

Global Investment Bank
VP of Quantitative Research
• Evaluated structured products and asset-linked deals
• Developed pricing models for complex energy derivatives
• Supported implementation of ETRM system
• Supported trading desk with option pricing, risk management, and strategy

Areas of Practice

  • Commodity Risk Management
  • Derivative Valuation
  • Energy Asset Valuation
  • Statistical Modeling and Optimization
  • Energy Fundamentals
  • Trading/Risk System Development
  • Value-at-Risk/stress-testing
  • Trading Operations


  • Ph.D., M.S., Physics – Rice University
  • A.B., Physics – Duke University
  • NFA Series 3
Vine Advisors