www.cornerstone.com
Phone: 650-470-7117
Cornerstone Research

Cornerstone Research provides economic and financial consulting and expert testimony in all phases of complex disputes and regulatory investigations. The firm works with an extensive network of prominent academics and industry practitioners to identify the best-qualified expert for each assignment. Cornerstone Research has earned a reputation for consistently high quality and effectiveness by delivering rigorous, state-of-the-art analysis since 1989. The firm has over 900 staff in nine offices across the United States and Europe.

Senior Vice President
Sasha Aganin heads Cornerstone Research’s financial institutions practice. Dr. Aganin specializes in addressing complex financial issues arising in litigation. He has worked extensively to…
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Vice President
Dina Older Aguilar coheads Cornerstone Research’s healthcare practice. She also heads the firm’s San Francisco office. Ms. Older Aguilar specializes in economic analyses of class…
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Manager
Sally Bai addresses complex accounting, auditing, and forensic investigation issues arising in litigation; and internal investigations into suspected and alleged fraud, bribery, corruption…
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Vice President
Ronnie Barnes coheads Cornerstone Research’s international arbitration and litigation practice. Dr. Barnes is an expert in accounting, damages, and valuation. He specializes in cases that…
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Senior Manager
Matteo Li Bergolis focuses on economic, marketing, and statistical matters related to product liability, data privacy, and antitrust litigation. Dr. Li Bergolis applies sophisticated…
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Principal
Laarni Bulan specializes in the area of finance, consulting on cases related to financial institutions, securities, market microstructure, company valuation, insider trading, and real…
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Vice President
Yan Cao specializes in matters involving financial markets, financial institutions, and financial accounting. Dr. Cao has fifteen years of consulting experience on issues of trading and…
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Principal
Omur Celmanbet specializes in applying economic analysis in matters related to antitrust, intellectual property, and other complex litigation. Dr. Celmanbet is involved with clients in all…
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Vice President
Abe Chernin’s primary areas of focus include consumer finance, banking, and real estate. Mr. Chernin has extensive experience with FinTech, asset-backed securities, private equity and…
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Associate
Arthur V. Corea-Smith is an associate at Cornerstone Research in their New York office.
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Manager
Sinan Corus provides economic and financial analysis and expert support in all phases of commercial litigation in the U.K., U.S., and Europe. His experience includes merger review;…
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Manager
Matthew Davis provides economic and financial analysis and expert support in all phases of commercial litigation. Dr. Davis’s work focuses on securities class actions and other complex…
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Vice President, Data Science Center
Mike DeCesaris has twenty years of consulting and litigation experience. He leads the firm’s data analytics practice. Mr. DeCesaris specializes in directing complex, data-intensive projects…
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Manager
Maréma Diop specializes in litigation and regulatory enforcement actions involving financial reporting, auditor liability, corporate financial disclosure, and corporate governance issues.…
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Principal
J.B. Doyle consults on litigation and regulatory matters related to financial institutions and securities. In these areas, he has extensive experience with advanced statistical modeling and…
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Senior Vice President
Greg Eastman analyzes complex economic and accounting issues related to tax, mergers, securities and financial products, and healthcare. He has extensive trial and arbitration expertise and…
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Senior Manager
Andrew Elzinga provides support in litigation and regulatory investigations, within the context of antitrust and competition and intellectual property, and with a focus on the healthcare…
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Senior Vice President
Kristin Feitzinger heads Cornerstone Research’s Silicon Valley office. Ms. Feitzinger has more than two decades of experience addressing securities and valuation issues arising in class…
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Senior Vice President
Katie Galley heads Cornerstone Research’s Los Angeles office. She developed the firm’s financial institutions practice, and has been active in the firm’s securities and corporate and…
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Associate
Laurien Gilbert is an associate in Cornerstone Research’s Washington, D.C. office. She provides economic analysis and expert support in all phases of litigation. Dr. Gilbert has experience…
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Vice President
Sara Gilley specializes in securities and white-collar litigation. She consults on economic and financial issues related to federal class actions, corporate investigations, and government…
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Senior Manager
Marlene Haas specializes in financial and economic analysis for corporate litigation matters. Dr. Haas has addressed complex issues involving benchmark manipulation, spoofing and layering,…
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Senior Manager
Rezwan Haque consults on a range of healthcare, life sciences, and financial matters, specializing in class certification, liability, and damages issues. Dr. Haque also addresses…
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Senior Vice President
Elaine Harwood heads the firm’s accounting practice. She consults to clients and works with experts on securities litigation, complex enforcement matters brought by the Securities and…
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Vice President
Kostis Hatzitaskos coheads Cornerstone Research’s antitrust and competition practice. Citing his econometrics expertise and significant experience analyzing large datasets, Who’s Who Legal …
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Manager
Ian Hoffman provides economic and financial analysis and expert support in all phases of commercial litigation. Dr. Hoffman has experience with matters involving product liability, consumer…
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Senior Vice President
Samid Hussain heads the consumer fraud and product liability practice at Cornerstone Research. He specializes in analyzing economic, marketing, and statistical (econometrics) issues in…
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Principal
Iris Jiang specializes in accounting and finance. She has led large teams working with prominent testifying experts to address a variety of topics, including the following.
Capital market…
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Senior Economist
Jennifer Juergens addresses allegations related to broker-dealers, securities issuance, trading, market manipulation, and failing firm analyses in litigation and regulatory investigations.…
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Senior Manager
Avigail Kifer applies her expertise in industrial organization economics and quantitative marketing to matters involving antitrust and competition, healthcare, merger review, and…
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Vice President
Kivanç Kirgiz has more than fifteen years of experience applying economic and financial analysis to issues arising in business litigation. Dr. Kirgiz has worked on many large-scale…
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Senior Vice President
Allan Kleidon provides expert testimony on securities and company valuation, securities markets, industry analysis, and damages analysis. His experience includes investment banking, stock…
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Principal
Sean Kruskol analyzes large, complex datasets related to commercial litigation and accounting disputes. His expertise includes issues related to accounting and auditing, forensic accounting…
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Principal
Vikram Kumar analyzes economic and statistical issues arising in antitrust and competition, product liability, and life sciences matters. He has developed theoretical and numerical models…
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Principal
Filipe Lacerda is a financial economist with deep expertise in the analysis of economic issues related to price impact, loss causation, damages, market efficiency, and settlements. He has…
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Principal
Heather Lazur specializes in cases involving a range of economic and financial issues and instruments, including securities class actions, and cases involving investment performance and…
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Senior Vice President
Greg Leonard heads Cornerstone Research’s European finance practice. Dr. Leonard has nearly two decades of experience consulting for clients in complex litigation and regulatory proceedings…
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Vice President
Bob Majure has wide-ranging expertise with merger and joint venture analysis, antitrust proceedings, regulatory actions, and appellate filings. He has experience across many industries,…
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Principal
Craig Malam has more than a decade of experience consulting on high-profile antitrust and competition matters, with a focus on mergers, merger investigations, and related litigation. An…
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Vice President
Vivek Mani has over a decade of experience leading teams and consulting to clients on regulatory and litigation issues involving competition. His expertise includes collective actions,…
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Senior Vice President
David Marcus leads Cornerstone Research’s finance practice. He has more than twenty years of experience providing consulting services and expert testimony in litigation involving economic…
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Vice President
Jennifer Marietta-Westberg consults on economic and financial issues arising in litigation and regulatory investigations in financial markets. Dr. Marietta-Westberg addresses allegations…
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Principal
Frank Mascari is a principal in the Chicago office of Cornerstone Research. Mr. Mascari has more than twenty years of experience providing financial and accounting consulting services in…
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Principal
Steve McBride focuses on financial reporting and auditing issues arising in litigation, internal investigations, and regulatory enforcement actions. Mr. McBride also consults on matters…
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Senior Manager
Ana McDowall provides economic analysis and expert support in commercial litigation and regulatory proceedings. Dr. McDowall has experience with a variety of antitrust matters, including…
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Senior Manager
Simona Mola conducts financial and economic analyses in complex commercial litigation and regulatory proceedings. Dr. Mola manages teams to support expert witness testimony in all stages of…
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Principal
Nicole Moran provides financial and economic analysis in complex commercial litigation and regulatory proceedings. She supports experts in preparing for deposition and trial testimony. Her…
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Principal
Chanel O’Neill heads Cornerstone Research’s energy and commodities practice. She has more than fifteen years of experience conducting economic analysis for complex business litigation and…
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Manager
Kevin Oswald is an Associate at Cornerstone Research. 
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Vice President
Shaama Pandya provides financial and economic analysis on securities and consumer finance matters, including cases involving large datasets. She develops case strategy and goals related to…
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Principal
Jean-Philippe “JP” Poissant has more than ten years of experience evaluating complex accounting, professional liability, executive compensation, valuation, corporate governance, and…
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Manager
Alan F. D. Potter is an associate at Cornerstone Research in New York.
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Vice President
Ashish Pradhan has more than a decade of experience working on complex intellectual property and finance matters, as well as consumer fraud and product liability cases. He has consulted on…
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President
Yesim Richardson specializes in applying economic and financial analysis to complex litigation involving securities, financial institutions, valuation, and real estate. Dr. Richardson has…
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Principal
Brendan Rudolph consults to attorneys and helps prepare expert testimony in many phases of complex commercial litigation, including class certification and other motion practice, merits,…
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Vice President
Maria Salgado coheads Cornerstone Research’s healthcare practice. She conducts economic analyses for complex business litigation matters, particularly those involving pharmaceuticals and…
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Senior Manager
Laurent Samuel provides economic and financial analysis and expert support in all phases of commercial litigation. Mr. Samuel has addressed alleged market manipulation in commodities and FX…
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Vice President
Sachin Sancheti has more than a decade of experience leading engagements in significant litigation and regulatory matters. He brings deep expertise to merger reviews, as well as product…
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Senior Manager
Lindsay Schick provides consulting services in litigation involving economic and financial issues. Her primary areas of focus include investment management, ERISA, mortgage lending and…
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Vice President
Frank Schneider assesses loss causation, class certification, economic losses, and valuation issues for companies and investors across a range of industries and financial instruments. He…
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Principal
Rainer Schwabe consults on a variety of antitrust and competition cases, including matters related to allegations of price fixing, exclusionary practices, and mergers and acquisitions. He…
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Vice President
Allie Schwartz specializes in the valuation of securities and financial derivatives in the context of securities litigation, bankruptcy, and regulatory disputes. She also works extensively…
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Manager
Andrew Sfekas provides financial and economic analysis in complex matters involving antitrust and competition in healthcare and life sciences markets. Dr. Sfekas has particular expertise…
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Principal
Anna Shakotko focuses on product liability, trade, and intellectual property disputes. She has over a decade of experience providing economic analysis in all stages of litigation, including…
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Senior Advisor
Laura Simmons is a certified public accountant (CPA) and has more than twenty years of experience in accounting practice and economic and financial consulting. She has focused on damages…
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Principal
Eric Tam has more than a decade of experience working on cases involving financial institutions, financial markets, and securities. He has particular expertise at the intersection of…
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Principal
Manuel Vasconcelos specializes in complex matters that affect large financial institutions and other participants in capital markets. He focuses on market manipulation and trading conduct;…
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Associate
Education

Washington University in St. Louis, Ph.D.
University of Chile, M.Sc.
University of Chile, B.S.

Contact via Email | www.cornerstone.com
Associate
Publications

Assessing Health Data Privacy Damages During A Pandemic

Education

University of California, Los Angeles, Ph.D.
University of California, Los Angeles, M.A.
Universidad de San…
Contact via Email | www.cornerstone.com
Principal
Nick Yavorsky focuses on complex securities, financial institutions, and corporate transaction disputes. He provides accounting, valuation, and damages analyses to clients through all…
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Cornerstone Research has been named a Go-To Thought Leader in the field of Utilities and Transportation Law by the National Law Review. The firm, headed by authors Nicole M. Moran, Chanel F. O'Neill, and Laurent Samuel, has provided significant coverage of the latest news in crude oil price changes globally, detailing how worldwide sanctions, the Russo-Ukrainian conflict, and other notable challenges impacting the petroleum markets in recent years.  

The National Law Review names Cornerstone Research a Go-To Thought Leader in the field of Data Privacy Law. Authors Vildan Altuglu, Vikram Kumar, Vivek Mani, and Sinan Corus authored “Estimating Harm in Invasion of Privacy and Data Breach Disputes” in February of 2022, which gained significant traction detailing notable updates regarding data privacy and data breach litigation both in the United States and the United Kingdom.

Cornerstone Research is a 2021 National Law Review Go-To Thought Leader for their essential reports on corporate bankruptcies. Cornerstone Research’s staff analyzes recent bankruptcy spikes due to the COVID-19 pandemic and resulting economic recovery, and highlights trends over various industries. An example of their dedication to fact-finding, Cornerstone’s detailed Midyear 2021 report provides readers with actionable data, presented in easy-to-understand graphics and summaries.

Cornerstone Research is a National Law Review Go-To Thought Leader for the group’s analytical reports on SEC Enforcement actions, Public Company Filings, Mergers and Divestitures, trends in Bankruptcy and other pertinent commercial and legal data. In addition to examining and tracking large amounts of available public company information and court filings, Cornerstone Research provides invaluable insight, by identifying and explaining trends and interpreting and extrapolating the impact of market disruptors like the COVID-19 pandemic.

 

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