David Nadell is a director in the Strategic Value Advisory practice at Duff & Phelps, A Kroll Business.



Managing Director

David Nadell is a Managing Director in the Strategic Value Advisory practice and part of the Healthcare and Life Sciences industry group, based in the Silicon Valley office. David leverages more than 15 years of consulting experience focused on mathematical modeling and financial analysis.

Working with life sciences companies, David has developed and reviewed financial projections, determined fair market value for products and services subject to anti-kickback and other health care regulatory compliance issues, valued licensing agreements and other contingent payments, benchmarked potential licensing terms, valued preferred and common stock and valued employee stock options.

David also has prior experience in building financial and operational models. His areas of expertise include statistical analysis, stock price and options modeling, developing commodity supply and price forecasts, building probabilistic models and decision trees, quantifying risk and analysis of market data.

David received a Ph.D. in neuroscience from Stanford University and a B.S. in biology from Massachusetts Institute of Technology.

Tax Services

Built upon the foundation of its renowned valuation business, Kroll's Tax Service practice follows a detailed and responsive approach to capturing value for clients.

Strategic Value Advisory

Kroll helps clients enhance fundamental company value by optimizing their transaction, investment, growth and operational strategies.

Transaction Advisory Services

Kroll’s Transaction Advisory Services platform offers corporate and financial investors with deep accounting and technical expertise, commercial knowledge, industry insight and seamless analytical services throughout the deal continuum.


Valuation of businesses, assets and alternative investments for financial reporting, tax and other purposes.