Publications

September 2019 (Revised September 2019)
Case

Facebook Fake News in the Post-Truth World

By: John R. Wells, Carole A. Winkler and Benjamin Weinstock

In August 2019, Mark Zuckerberg, founder and CEO of Facebook, was surrounded by controversy. The first major storm of protest followed the surprise election of Donald Trump as President of the United States on November 8, 2016; many put the blame at the door of fake... View Details

Keywords: Facebook; Fake News; Mark Zuckerberg; Donald Trump; Algorithms; Social Networks; Partisanship; Social Media; App Development; Instagram; WhatsApp; Smartphone; Silicon Valley; Office Space; Digital Strategy; Democracy; Entry Barriers; Online Platforms; Controversy; Tencent; Agility; Social Networking; Gaming; Gaming Industry; Computer Games; Mobile Gaming; Messaging; Monetization Strategy; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Growth and Maturation; Business Headquarters; Business Organization; For-Profit Firms; Trends; Communication; Communication Technology; Forms of Communication; Interactive Communication; Interpersonal Communication; Talent and Talent Management; Crime and Corruption; Voting; Demographics; Entertainment; Games, Gaming, and Gambling; Moral Sensibility; Values and Beliefs; Initial Public Offering; Profit; Revenue; Geography; Geographic Location; Global Range; Local Range; Country; Cross-Cultural and Cross-Border Issues; Globalized Firms and Management; Globalized Markets and Industries; Governing Rules, Regulations, and Reforms; Government and Politics; International Relations; National Security; Political Elections; Business History; Recruitment; Selection and Staffing; Information Management; Information Publishing; News; Newspapers; Innovation and Management; Innovation Strategy; Technological Innovation; Knowledge Dissemination; Human Capital; Law; Leadership Development; Leadership Style; Leading Change; Business or Company Management; Crisis Management; Goals and Objectives; Growth and Development Strategy; Growth Management; Management Practices and Processes; Management Style; Management Systems; Management Teams; Managerial Roles; Marketing Channels; Social Marketing; Network Effects; Market Entry and Exit; Digital Platforms; Marketplace Matching; Industry Growth; Industry Structures; Monopoly; Media; Product Development; Service Delivery; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Organizational Culture; Organizational Structure; Public Ownership; Problems and Challenges; Business and Community Relations; Business and Government Relations; Groups and Teams; Networks; Rank and Position; Opportunities; Behavior; Emotions; Identity; Power and Influence; Prejudice and Bias; Reputation; Social and Collaborative Networks; Status and Position; Trust; Society; Civil Society or Community; Culture; Public Opinion; Social Issues; Societal Protocols; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Corporate Strategy; Customization and Personalization; Diversification; Expansion; Horizontal Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Applications and Software; Information Infrastructure; Valuation; Advertising Industry; Communications Industry; Entertainment and Recreation Industry; Information Industry; Information Technology Industry; Journalism and News Industry; Media and Broadcasting Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; United States; California; Sunnyvale; Russia

September 2014
Article

Pollution and Skin: From Epidemiological and Mechanistic Studies to Clinical Implications

By: Jean Krutmann, Wei Liu, Li Li, Xiaochuan Pan, Martha Crawford, Gabrielle Sore and Sophie Seite

In recent years, the health effects associated with air pollution have been intensively studied. Most studies focus on air pollution effects on the lung and the cardiovascular system. More recently, however, epidemiological and mechanistic studies suggest that air... View Details

Keywords: Pollutants; Health Disorders; Medical Specialties

February 2025 (Revised April 2025)
Case

Shake Shack's Playbook for the Digital Era

By: Christopher Stanton, Allison Ciechanover and George Gonzalez

This case examines Shake Shack’s journey from a single New York City hot dog cart to a global fast-casual restaurant chain renowned for both premium quality and a culture of “enlightened hospitality.” As the company expands worldwide, it pilots digital ordering... View Details

Keywords: Business Model; Customer Satisfaction; Technology Adoption; Brands and Branding; Organizational Culture; Customization and Personalization; Expansion; Food and Beverage Industry

Article

Beacon and Warning: Sherman Kent, Scientific Hubris, and the CIA's Office of National Estimates

By: J. Peter Scoblic

Would-be forecasters have increasingly extolled the predictive potential of Big Data and artificial intelligence. This essay reviews the career of Sherman Kent, the Yale historian who directed the CIA’s Office of National Estimates from 1952 to 1967, with an eye toward... View Details

Keywords: National Security; Analytics and Data Science; Analysis; Forecasting and Prediction; History

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2010
Working Paper

Boundary Spanning in a For-profit Research Lab: An Exploration of the Interface Between Commerce and Academe

By: Christopher C. Liu and Toby E. Stuart

In innovative industries, private-sector companies increasingly are participants in open communities of science and technology. To participate in the system of exchange in such communities, firms often publicly disclose what would otherwise remain private discoveries.... View Details

Keywords: For-Profit Firms; Higher Education; Information Publishing; Innovation and Invention; Science-Based Business; Social and Collaborative Networks; Boundaries; Biotechnology Industry; Pharmaceutical Industry

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June 2007 (Revised March 2008)
Case

Zoots - Financing Growth (A)

By: Michael J. Roberts, William A. Sahlman and Todd Krasnow

Traces the genesis and founding of Zoots, the largest chain of dry cleaning establishments in the U.S. Founded by some of the founders of the very successful Staples chain, the company raises a very large amount of capital without fully proving its business model, and... View Details

Keywords: Business Startups; Decision Choices and Conditions; Venture Capital; Financial Strategy; Investment Return; Growth and Development Strategy; Valuation; United States

Nori Gerardo Lietz is a Senior Lecturer of Business Administration in the Finance and Entrepreneurial Management Units. She presently teaches Real Estate Private Equity and Starting a Private Investment Firm.

Nori Gerardo Lietz is the founder of Areté... View Details

Rakesh Khurana

Rakesh Khurana is the Marvin Bower Professor of Leadership Development at the Harvard Business School. He is also Professor of Sociology at Harvard University, co-Master of Cabot House at Harvard College, and the Danoff Dean of Harvard College.

Professor... View Details

Keywords: executive search

Robert Simons

Robert Simons is a Baker Foundation Professor at Harvard Business School. For over 35 years, Simons has taught accounting, management control, and strategy execution courses in both the Harvard MBA and Executive Education Programs. For 2024/25, he is teaching a... View Details

December 2010
Article

Management and the Financial Crisis (We Have Met the Enemy and He Is Us...)

By: William A. Sahlman

The financial crisis of 2008-2009 has revealed that our broad model of corporate governance is broken, independent of the shortcomings in the regulatory system. Managers and boards of directors in scores of systemically important firms failed to protect employees,... View Details

Keywords: Risk Management; Human Capital; Ethics; Policy; Corporate Governance; Financial Crisis; Finance; Business and Shareholder Relations

November 2021 (Revised May 2022)
Case

QuantumScape's Mission to Revolutionize Energy Storage for a Sustainable Future

By: William A. Sahlman, Allison M. Ciechanover and Jeff Huizinga

QuantumScape CEO Jagdeep Singh juggles the many activities required to lead the next-generation battery pioneer. Founded in 2010, QuantumScape’s mission was to develop new “solid-state” car batteries that would improve upon traditional lithium-ion batteries in key... View Details

Keywords: Batteries; Electric Vehicles; SPACs; Innovation and Management; Technological Innovation; Science-Based Business; Environmental Sustainability; Auto Industry; Energy Industry; California; San Jose

May 1999
Case

Susan Brown

By: William A. Sahlman

A number of issues confront an associate in a venture capital firm. She has just learned that her senior partners are not yet willing to make her a general partner of the firm. She has several options and must decide what to do. View Details

Keywords: Human Resources; Venture Capital; Personal Development and Career; Leadership Development; Organizational Change and Adaptation; Financial Services Industry

Spring 2012
Article

The Need for Sector-Specific Materiality and Sustainability Reporting Standards

By: Robert G. Eccles, Michael P. Krzus, Jean Rogers and George Serafeim

Even though the supply of sustainability information has increased considerably in the last decade, companies are still failing to disclose material information in a comparable format. We believe this has two downsides. On the one hand, companies are not adequately... View Details

Keywords: Sustainability; Reporting; Standard Setting; Regulation; Environmental Sustainability; Accounting; Standards; Integrated Corporate Reporting; Corporate Disclosure; Competitive Advantage; Capital Markets; Accounting Industry; United States

Research Summary

International Financial Integration and Entrepreneurship (joint with Andrew Charlton)

By: Laura Alfaro

We explore the relation between international financial integration and the level of entrepreneurial activity in a country. Researchers have stressed the role of new firm activity and economic dynamism on growth. Yet, the empirical effects of international capital... View Details

August 1997 (Revised September 1997)
Case

GMIMCo Venture Capital: September 1996

By: Josh Lerner, Peter Wendell and Catherine M. Conneely

Kathryn Stokel must choose between three venture capital groups (if any) in which to invest the pension fund of General Motors Corp. Each has distinct strengths and weaknesses. View Details

Keywords: Private Equity; Asset Management; Retirement; Investment Funds; Venture Capital; Financial Services Industry

April 2018 (Revised May 2018)
Case

Goldman Sachs: Making an Imprint in Impact Investing

By: Shawn Cole, Vikram S. Gandhi, Caitlin Reimers Brumme and Lynn Schenk

Goldman Sachs acquired Imprint Capital Advisors, a small firm that specialized in advising clients on environmental/social/governance (ESG) and impact investments. The founders sold Imprint with the belief that joining a global financial firm would help to scale impact... View Details

Keywords: Impact Investing; ESG; Investment; Corporate Social Responsibility and Impact; Environmental Sustainability; Growth and Development Strategy; Acquisition; Integration

20 Mar 2012
Working Paper Summaries

The Stock Selection and Performance of Buy-Side Analysts

Keywords: by Boris Groysberg, Paul Healy, George Serafeim, Devin Shanthikumar & Gui Yang; Financial Services

David E. Bell

David E. Bell is a Baker Foundation Professor at HBS. He has taught marketing many times in the MBA program including as course head.

During his career at HBS, David has taught a variety of other courses to both MBAs and executives, including risk... View Details

Keywords: agribusiness; agriculture; apparel; e-commerce industry; fashion; food; food processing; grocery; insurance industry; marketing industry; retailing

March 2008
Course Overview Note

Dynamic Markets

By: Joshua D. Coval and Erik Stafford

The Dynamic Markets course at Harvard Business School is organized around the hands-on application of financial decision making in a wide variety of capital market settings. The course relies heavily on in-class simulations of a range of market settings where students... View Details

Keywords: Value Creation; Decision Making; Capital Markets; Competitive Strategy; Profit; Applications and Software; Information; Strategy; Price; Outcome or Result; Curriculum and Courses; Theory