Andy Vietor, Finance Expert in Boston, MA, United States
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Andy Vietor

Verified Expert  in Finance

Finance Expert

Boston, MA, United States
Toptal Member Since
April 13, 2017

Andy was recognized twice as an All-Star Analyst by the Wall Street Journal. He has been a strategist, operating executive, financier, and top-ranked industry analyst. As a freelancer, Andy advises a range of companies—from early-stage and middle-market to large caps—delivering customized solutions including effective investor presentations, dynamic financial models, and project finance structuring.

Career Highlights

Managing Director
Hamilton Clark Sustainable Capital, Inc.
First Gleneden Advisors LLC

Education Highlights

Bachelor's Degree
Connecticut College

Case Studies

Work Experience

Managing Director

2020 - PRESENT
Hamilton Clark Sustainable Capital, Inc.
  • Assisted public and private companies overlooked by large Wall Street firms and regional investment banking firms.
  • Constructed financial models that resulted in term sheets for a renewable jet fuel facility.
  • Built a pitch deck, an integrated valuation, and a financial model to support the project financing and greenfield construction of a $1billion renewable gasoline plant that incorporates carbon capture.
  • Built a valuation model to support financing and greenfield construction of the food waste facilities to produce organic acids.
Focus areas: Fundraising, Reg S Private Placement, Renewable Energy, Sustainability, Clean Energy, CleanTech, Bioenergy, Biofuels, Venture Capital, Energy, Forecasting, Green Energy, Revenue & Expense Projections, Corporate Governance, Excel 365


2013 - PRESENT
First Gleneden Advisors LLC
  • Advised on a $200 million strategic investment in a startup to construct a $1.7 billion U.S. aluminum rolling mill.
  • Led due diligence and integration of two acquisitions as well as a private equity recapitalization for an ongoing $100 million industry roll-up of pipe repair solutions.
  • Constructed financial models that resulted in a $300 million term sheet to acquire, retrofit, and construct renewable diesel facilities.
  • Assembled a robust financial model that garnered a $150 million term sheet from a global project finance investor to develop combined heat and power cogeneration projects.
  • Developed investor materials, including the financial model and business plan to fund the build-out of facilities to convert waste plastic into high-value carbon nanotubes.
  • Provided financial analysis for the acquisition of a biodiesel facility.
  • Built a financial model to support the financing and greenfield construction of food waste facilities to produce organic acids.
  • Improved the balance sheet and reduced the ongoing cash burn with a $36 million debt-for-asset swap for a renewable fuel company.
  • Delivered a $25 million tax credit transaction to fund the expansion of a renewable materials facility.
  • Implemented financial systems for a private equity-backed $60+ million revenue oilfield services company, as well as a $30+ million liquefied natural gas company.
Focus areas: Private Equity, Private Equity Secondaries, Project Finance, Capital Investment Appraisals, CFO, Transaction Structuring, Transaction Modeling, Financial Modeling, Three-statement Modeling, Equity Valuation, Equity Financing, Valuation, Debt Capital Markets, Cash Flow Forecasting, Investor Relations, Investment Memoranda, Business Planning, Budgeting, Capital Raising, Investment Summaries, Investor Presentations, Financial Planning & Analysis (FP&A), Finance Strategy, Venture Capital, Energy, Biofuels, Forecasting, Green Energy, Strategic Planning, Revenue & Expense Projections, Corporate Governance, Excel 365

Vice President, Finance

2015 - 2017
Benefuel, Inc.
  • Optimized a $20 million transaction for a private equity investor using interactive forecasts and a proprietary equity structure.
  • Contributed to successful relationships with the customer base of Flint Hills Resources, Suncor, and Itochu, leading to $10+ million in bridge financings.
  • Improved the standardized financial models to ensure data and analytical consistency, integrity, and accessibility to streamline investor due diligence.
Focus areas: Capital Structure Analysis, Cash Flow Calculation, Capital Structuring, Finance Strategy, Private Equity Secondaries, Private Equity, Equity Valuation, Capital Raising, Valuation Modeling, Three-statement Modeling, Equity Financing, Discounted Cash Flow (DCF), Debt Capital Markets, Investor Relations, CFO, Financial Modeling, Project Finance, Investment Summaries, Investor Presentations, Budgeting, Cash Flow Forecasting, Growth Capital Raising, Venture Capital, Energy, Biofuels, Forecasting, Green Energy, Strategic Planning, Financial Reporting, Revenue & Expense Projections, Treasury Management, Corporate Governance, Excel 365, Reporting

Chief Financial Officer

2007 - 2013
Zeachem, Inc.
  • Maximized a $232 million USDA loan guarantee to develop a 25 million GPY commercial facility.
  • Sold a $43 million tax credit transaction with additional funding to construct a 250,000 GPY demonstration plant and development facility.
  • Achieved a $5 million joint development agreement with Proctor & Gamble to advance the development of a new renewable chemical production platform for superabsorbents and other related product inputs.
  • Awarded $25 million US Department of Energy and $40 million US Department of Agriculture USDA grants to develop and construct a demonstration-scale renewable fuel facility and supporting feedstock infrastructure.
  • Added Valero as the first strategic investor to produce biofuels to satisfy Valero's RFS renewable fuel obligations.
  • Exceeded $30 million of follow-on investments from existing investors by clarifying the strategy and demonstrating viability.
  • Developed a rental asset strategy that generated revenue of $500,000 per month from demonstration plant operations.
  • Applied Lean methodologies to implement accounting and business infrastructure to produce unqualified annual GAAP audits and pass on-going DCAA audits.
  • Improved data integrity and consistency with the introduction of SEC-compliant processes and systems in preparation for an IPO.
  • Built the finance and accounting team from one person to ten people to support a potential IPO.
Focus areas: Growth Capital Raising, Grant Proposals, Management, Audits, Mergers & Acquisitions (M&A), Three-statement Modeling, Capital Structuring, Finance Strategy, Capital Structure Analysis, Venture Funding, Convertible Debt, Pitch Decks, Business Planning, Debt Capital Markets, Investment Memoranda, Investor Relations, Investment Summaries, CFO, Discounted Cash Flow (DCF), Private Equity, Equity Valuation, Equity Financing, Fundraising, 409A Valuation, Valuation Modeling, Capital Raising, Budget Controls, Budgeting, Financial Modeling, Financial Planning & Analysis (FP&A), Cash Flow Forecasting, Investor Presentations, Venture Capital, Energy, Biofuels, Forecasting, Green Energy, Strategic Planning, Financial Reporting, Revenue & Expense Projections, Treasury Management, Corporate Governance, Excel 365, Reporting

Vice President, Strategic Planning and Analysis

2005 - 2007
Evergreen Energy, Inc.
  • Arranged multiple public market financings that resulted in $250+ million raised to build a demonstration plant and to advance commercial projects.
  • Negotiated and structured $1+ billion in project financing for up to four processing facilities.
  • Increased the stock price by 50% with recommendations to the management and board on how to interpret and incorporate equity trading intelligence, feedback, and commentary into the business.
  • Delivered more consistent operations and a major reduction in downtime for plant operations performing extensive operational and financial analysis.
  • Contributed to acquisitions by developing and maintaining interactive financial models used to evaluate business opportunities, including the $40+ million purchase of a coal mine.
Focus areas: Analysis of Variance (ANOVA), Valuation Multiples, Valuation, Project Finance, P&L Forecasting, Balance Sheets, Mergers & Acquisitions (M&A), Discounted Cash Flow (DCF), Financial Overviews, Operational Finance, Three-statement Modeling, Corporate Finance, Business Planning, Pitch Decks, Transaction Structuring, Transaction Modeling, Valuation Modeling, Financial Modeling, Budgeting, Investment Memoranda, Investment Summaries, Debt Capital Markets, Private Equity, Equity Valuation, Equity Financing, Growth Capital Raising, Investor Relations, Investor Presentations, Cash Flow Forecasting, Fundraising, Financial Planning & Analysis (FP&A), Strategic Planning & Execution, Energy, Forecasting, Strategic Planning, Financial Reporting, Revenue & Expense Projections, Treasury Management, Corporate Governance, Excel 365

Vice President | Equity Research

1998 - 2005
  • Recognized as an All-Star Equity Analyst by the Wall Street Journal (1998, 2001).
  • Sold more than $750 million in equity offerings for coverage universe as a result of being named co-manager on deals, and delivered trading revenues, consistently finishing in the top third of the department.
  • Generated shareholder value by critiquing and advocating asset rationalization strategies such as H&P’s $500 million equity portfolio divestiture and redeployment into its innovative FlexRigs.
Focus areas: Three-statement Modeling, Capital Structuring, Return Analysis, Ratio Analysis, Transaction Modeling, Market Research, Investment Memoranda, Growth Capital Raising, Fundraising, Equity Financing, Cash Flow Calculation, Cash Flow Forecasting, Balance Sheets, Data Analysis, Convertible Debt, Discounted Cash Flow (DCF), Due Diligence, Debt Capital Markets, Equity Valuation, Equity Research, Comparable Company Analysis, Valuation Modeling, Mergers & Acquisitions (M&A), Investment Summaries, Investor Presentations, Capital Investment Appraisals, Capital Structure Analysis, Capital Raising, Investor Relations, Financial Modeling, Oil & Gas, Energy, Forecasting, Revenue & Expense Projections, Corporate Governance, Excel 365
1994 - 1996

Master of Business Administration (MBA) Degree in Finance

Columbia Business School - New York, NY, USA

1987 - 1991

Bachelor's Degree in Economics and History

Connecticut College - New London, CT


Series 79 and 63



Startup Funding, Fundraising, Profitability Analysis, Financial Engineering, Asset Valuation, DCF Valuation, Valuation, Credit/Debt, Project Finance, Capital Raising, CFO, Investment Memoranda, Financial Planning & Analysis (FP&A), Capital Budgeting, Capital Structuring, Discounted Cash Flow (DCF), Cash Flow Calculation, Cash Flow, Forecasting, Equity Valuation, Equity Financing, Equity Research, Investment Summaries, Financial Modeling, Venture Funding, Private Equity, Three-statement Modeling, Cash Flow Forecasting, Budgeting, Due Diligence, Deal Analysis, Investment Thesis, Revenue & Expense Projections, Investment Briefs, Venture Debt, Debt Raises, Bank Debt Raises, Convertible Debt, Debt Restructuring, Growth Capital Raising, Mergers & Acquisitions (M&A), Financial Reporting, Finance Strategy, Transaction Modeling, Transaction Structuring, Capital Investment Appraisals, Private Equity Secondaries, Valuation Modeling, Capital Structure Analysis, Budget Controls, Corporate Finance, Operational Finance, Financial Overviews, Balance Sheets, P&L Forecasting, Valuation Multiples, Comparable Company Analysis, Data Analysis, Market Research, Ratio Analysis, Return Analysis, Angel/Seed Funding, 409A Valuation

Output Software

Microsoft Word, Microsoft Excel, Microsoft PowerPoint

Industry Expertise

Venture Capital, Oil & Gas, Renewable Energy, Biofuels, Banking & Finance, Energy, Agriculture, Coal, Capital Markets, Financial Services, Debt Capital Markets, Sustainability, Bioenergy, Agrotech

Geographic Expertise

United States, Japan

Data & Analysis Software

Capital IQ, Bloomberg


Excel Modeling, Business Planning, Underwriting, Startups, Deal Structuring, Funding Presentations, Creative Problem Solving, Value Proposition, Executive Presentations, Financing, Financials, Executive Summaries, Strategic Planning & Execution, Execution, Debt Financing, Initiation Coverage Report, Equities, Upstream, Equity, Communication, Pitch Decks, Budget Modeling, Annual Budgets, Investor Reporting, Discounted Cash Flow Analysis, Investor Presentations, Tax Equity, Strategy, Pro Forma Analysis, Finance, Investment Cases, Energy Sector Expert, Quantitative Analysis, Renewables, Sustainable Advisory, Excel 365, Green Energy, Project Portfolio Management (PPM), Exit Strategy, Management Consulting, Management, Senior Executive Management, Petrochemicals, Initial Public Offerings, Value Chain, Analysis, Joint Venture Development, Securities, SWOT Analysis, Analysis of Variance (ANOVA), Growth Strategy, Investor Relations, Equity Investment, Investments, Acquisitions, Capital Introduction, Growth Analysis, Startup Growth Strategy Development, Investor Agreements, Investment Banking, Power Generation, Strategic Planning, Treasury Management, Corporate Governance, Reporting, Audits, Grant Proposals, Financial Forecasting, Scenario Analysis, Reg S Private Placement, Clean Energy, CleanTech, Metals & Mining, Solar, SEC Filing, SEC Disclosure

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