Publications

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September 2011 (Revised January 2012)
Case

Gerson Lehrman Group: Managing Risks

By: Boris Groysberg, Paul Healy and Sarah L. Abbott

It was June 2011 and Alexander Saint-Amand, President and CEO of Gerson Lehrman Group, the largest expert network firm globally, has found his firm once again in the midst of controversy. This controversy centered around a number of insider trading cases that had been... View Details

Keywords: Risk Management

21 Sep 2020
Working Paper Summaries

The Targeting and Impact of Paycheck Protection Program Loans to Small Businesses

Keywords: by Alexander Bartik, Zoë B. Cullen, Edward L. Glaeser, Michael Luca, Christopher Stanton, and Adi Sunderam

09 Apr 2025
HBS Seminar

Marc Rysman, Boston University

17 Aug 2021
Blog Post

New Associate Director: Courtney Fairbrother

BEI recently named Courtney Fairbrother as the new Associate Director. Courtney manages student and alumni engagement and creates networks and opportunities that encourage these groups to address climate change. She also oversees the... View Details

April 2008
Case

The Energy Foundation

By: Jane Wei-Skillern and Alison Berkley Wagonfeld

The Energy Foundation, a philanthropic foundation established through a partnership among major donors with a mission to promote clean energy technology, is the largest funder in the U.S. focusing on the energy sector. The $60 million foundation operates through a... View Details

Keywords: Entrepreneurship; Investment Funds; Philanthropy and Charitable Giving; Corporate Social Responsibility and Impact; Networks; Expansion; Energy Industry; Green Technology Industry; United States

29 Jun 2011
News

Facebook's virtual currency draws antitrust complaints from consumer advocates

February 2004 (Revised March 2004)
Case

Fuel Cells: The Hydrogen Revolution?

By: Thomas R. Eisenmann and Ryland Matthew Willis

The challenges faced in establishing hydrogen fuel cell-powered transportation in the United States, which promises to reduce greenhouse gas emissions and dependence on imported oil is examined. Foremost among these challenges is a "chicken-and-egg" dynamic: consumers... View Details

Keywords: Taxation; Environmental Sustainability; Infrastructure; Government Administration; Energy Sources; Business and Government Relations; Network Effects; Transportation; Green Technology Industry; Energy Industry; European Union; Japan; United States

October 2008
Article

The Small World of Investing: Board Connections and Mutual Fund Returns

By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy

This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details

Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards

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Research Summary

Previous research

Professor Piskorski's previous research examined the role of power and status in social networks in the venture capital industry. Prior to that, Professor Piskorski studied the role of power in profitability and vertical integration decisions in the US economy. View Details

February 2023
Case

Ransomware Attack at Springhill Medical Center

By: Suraj Srinivasan and Li-Kuan (Jason) Ni

In July, 2019, Springhill Medical Center (“SMC”) in Mobile, Alabama, fell prey to a malicious ransomware attack that crippled the hospital’s internal network systems and public-facing web page. While the hospital rushed to securely restore the network, medical... View Details

Lynda M. Applegate is a Baker Foundation Professor at HBS and is Chair of the Advisory Committee for Harvard University’s Masters Degree of Liberal Arts in Finance and Management at the Harvard University Extension School. She has also played a... View Details

2013
Article

Boardroom Centrality and Firm Performance

By: David F. Larcker, Eric C. So and Charles C.Y. Wang

Firms with central or well-connected boards of directors earn superior risk-adjusted stock returns. Initiating a long position in the most central firms and a short position in the least central firms earns an average risk-adjusted return of 4.68% per year. Firms with... View Details

Keywords: Networks; Governing and Advisory Boards; Forecasting and Prediction; Performance

SSRN

November 2005 (Revised February 2009)
Case

Publicis Groupe: Leading Creative Acquisitions

By: Rosabeth M. Kanter and Ryan Raffaelli

The CEO of a French-based advertising agency network led a series of high-profile acquisitions that created the world's 4th largest global communications company, after a failed strategic alliance taught him lessons about leadership and business relationships. View Details

Keywords: Mergers and Acquisitions; Leadership; Management Succession; Partners and Partnerships; Cooperation; Integration; France

Career Coach

Kate Swain-Smith

Kate comes to HBS from a career is strategy and operations in government, both at the local and federal level. She enjoys assisting students who come from non-traditional MBA backgrounds, or those who are making a pivot and need to craft their personal story and brand.... View Details

February 2018 (Revised December 2019)
Case

Rise of the Drones: Identified Technologies

By: Andy Wu and George Gonzalez

The founder and CEO of Identified Technologies, a Pittsburgh-based drone software and services company, faces a dilemma when San Francisco–based DroneDeploy begins to disrupt the industry with its drone software platform. Identified Technologies needs to consider... View Details

Keywords: Applications and Software; Digital Platforms; Disruption; Network Effects; Computer Industry; Web Services Industry; Pittsburgh; San Francisco

March 2003 (Revised November 2003)
Case

3i Group plc

By: G. Felda Hardymon, Josh Lerner and Ann Leamon

Brian Larcombe, CEO of 3i Group, one of the world's largest private equity firms and one of the few publicly listed ones, is deciding how best to use his firm's international network to deliver superior returns to shareholders. This case presents 3i's history and... View Details

Keywords: Business History; Networks; Private Equity; Growth Management; Global Strategy; Public Ownership; Business and Shareholder Relations; Growth and Development Strategy; Financial Services Industry

July 2019
Supplement

Omidyar Network's Investment Decisions: MicroEnsure and Lenddo

By: Vikram S Gandhi

A team of investors at Omidyar Network explore two different investment possibilities in the budding financial inclusion space using their investment framework to consider capital alternatives available for both investments, each of which carries highly divergent... View Details

Keywords: Impact Investing; Micro Finance; Investment; Investment Return; Investment Activism; Investment Portfolio; Microfinance; Decision Choices and Conditions; India; Philippines

June 1996 (Revised April 2003)
Case

AeroTech Service Group, Inc.

AeroTech Service Group uses Internet protocols and other advanced computing technologies to interconnect the IS networks of McDonnell-Douglas Aerospace with many of its customers, suppliers, and other partners. The case discusses AeroTech's product and explores options... View Details

Keywords: Internet and the Web; Information Technology; Information Technology Industry; Air Transportation Industry