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      • July 2023
      • Article

      Negative Expressions Are Shared More on Twitter for Public Figures Than for Ordinary Users

      By: Jonas P. Schöne, David Garcia, Brian Parkinson and Amit Goldenberg
      Social media users tend to produce content that contains more positive than negative emotional language. However, negative emotional language is more likely to be shared. To understand why, research has thus far focused on psychological processes associated with... View Details
      Keywords: Social Media; Emotions
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      Schöne, Jonas P., David Garcia, Brian Parkinson, and Amit Goldenberg. "Negative Expressions Are Shared More on Twitter for Public Figures Than for Ordinary Users." PNAS Nexus 2, no. 7 (July 2023).
      • April 2023 (Revised July 2023)
      • Case

      Dena Almansoori at e&: Fostering Culture Change at a UAE Telco Transforming to a Global Techco

      By: Emily Truelove, Michelle Zhang and Alpana Thapar
      Dena Almansoori, the first female and one of the youngest members of the United Arab Emirates-based e&’s leadership team, joined in 2020 just before e& began a strategic transition from being a regional telecommunications company to becoming a global technology... View Details
      Keywords: Leadership; Culture; Transformation; Technology; Telecommunications; Employee Mobility; Talent; Leading Change; Human Resources; Telecommunications Industry; Technology Industry; Middle East; United Arab Emirates
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      Truelove, Emily, Michelle Zhang, and Alpana Thapar. "Dena Almansoori at e&: Fostering Culture Change at a UAE Telco Transforming to a Global Techco." Harvard Business School Case 423-040, April 2023. (Revised July 2023.)
      • April 2023 (Revised July 2023)
      • Case

      Dena Almansoori at e&: Fostering Culture Change at a UAE Telco Transforming to a Global Techco (Abridged)

      By: Emily Truelove, Michelle Zhang and Alpana Thapar
      Dena Almansoori, the first female and one of the youngest members of the United Arab Emirates-based e&’s leadership team, joined in 2020 just before e& began a strategic transition from being a regional telecommunications company to becoming a global technology... View Details
      Keywords: Technology; Telecommunications; Employee Mobility; Leading Change; Human Resources; Organizational Culture; Transformation; Change Management; Employee Relationship Management; Leadership; Talent and Talent Management; Telecommunications Industry; Technology Industry; Middle East; United Arab Emirates
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      Truelove, Emily, Michelle Zhang, and Alpana Thapar. "Dena Almansoori at e&: Fostering Culture Change at a UAE Telco Transforming to a Global Techco (Abridged)." Harvard Business School Case 423-059, April 2023. (Revised July 2023.)
      • March 2023 (Revised June 2025)
      • Case

      Close Concerns: Diabetes Research and Advocacy

      By: Regina E. Herzlinger and Brian L. Walker
      Diagnosed with diabetes at the age of 18, Kelly Close understood the importance of balancing consistency and iteration. This principle had also informed her professional work, which started with a rapid promotion from financial analyst at Goldman Sachs to an analyst... View Details
      Keywords: Diabetes; Health; Health Care; Health Care And Treatment; Health Care Outcomes; Health Care Industry; Knowledge Dissemination; Outcome or Result; Equality and Inequality; Business Model; Entrepreneurship
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      Herzlinger, Regina E., and Brian L. Walker. "Close Concerns: Diabetes Research and Advocacy." Harvard Business School Case 323-047, March 2023. (Revised June 2025.)
      • January 2023
      • Case

      Year Up: Measuring and Scaling Impact

      By: Natalia Rigol, Benjamin N. Roth, Brian Trelstad and Sarah Mehta
      Year Up, a non-profit that provides training and practical work experience to low-income young people, has for years prioritized impact measurement. By 2022, it had built a robust body of evidence demonstrating that its program yields higher earnings for participants.... View Details
      Keywords: Demographics; Education; Jobs and Positions; Measurement and Metrics; Performance; Research; Social Enterprise; Growth Management; Education Industry; United States; Massachusetts; Boston
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      Rigol, Natalia, Benjamin N. Roth, Brian Trelstad, and Sarah Mehta. "Year Up: Measuring and Scaling Impact." Harvard Business School Case 823-004, January 2023.
      • January 2023
      • Case

      Gerald Weiss (2023)

      By: Brian J. Hall, Carleen Madigan, Andrew Wasynczuk and Caroline Witten
      Gerald Weiss left Wall Street for the promise of a CFO position at a well-established corporation. He was given a 10-year options package with a guaranteed floor of $12 million and unlimited upside. To ensure the entire package would be worth at least $12 million after... View Details
      Keywords: Management Teams; Resignation and Termination; Executive Compensation; Organizational Culture; Agreements and Arrangements; Stock Options; Conflict and Resolution; New York (city, NY)
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      Hall, Brian J., Carleen Madigan, Andrew Wasynczuk, and Caroline Witten. "Gerald Weiss (2023)." Harvard Business School Case 923-038, January 2023.
      • September 2022
      • Case

      HPP: Tapping the Netherlands’ Potential

      By: Brian Trelstad and Idelès Kaandorp
      Stichting Het Potentieel Pakken (HPP) was launched to solve a systemic problem in the Dutch Labor Market: gender inequity that was leading to a large number of women to work part-time in fields that were in desperately short supply of labor, like health care, child... View Details
      Keywords: COVID-19 Pandemic; Grants; Scaling And Growth; Nonprofit Organizations; Opportunities; Gender; Income; Employment; Health Care and Treatment; Human Capital; Mission and Purpose; Motivation and Incentives; Growth and Development Strategy; Employment Industry; Health Industry; Education Industry; Consulting Industry; Europe; Netherlands
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      Trelstad, Brian, and Idelès Kaandorp. "HPP: Tapping the Netherlands’ Potential." Harvard Business School Case 323-024, September 2022.
      • 2024
      • Working Paper

      Private Equity Fund Valuation Management during Fundraising

      By: Brian K. Baik
      I investigate whether and how private equity fund managers (GPs) inflate their interim fund valuations (net asset values or NAVs) during fundraising periods. Specifically, I study the extent to which the GPs inflate NAVs by managing valuation assumptions (e.g.,... View Details
      Keywords: Private Equity; Institutional Investors; Valuation Multiples; Earnings Management; Private Firms; Valuation; Investment Funds
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      Baik, Brian K. "Private Equity Fund Valuation Management during Fundraising." Harvard Business School Working Paper, No. 23-013, August 2022. (Revised May 2024.)
      • August 2022 (Revised December 2022)
      • Case

      Iluméxico: For Every Family to Have Power

      By: Brian Trelstad, Isa Oliveres and Jenyfeer Martinez Buitrago
      In 2022, Manuel Wiechers, the CEO of Iluméxico, a for-profit social enterprise that provided off-grid solar energy services in rural Mexico, was finalizing his presentation for the company’s upcoming board meeting. In the 12 years since Wiechers had co-founded... View Details
      Keywords: Social Entrepreneurship; Social Enterprise; Energy; Energy Policy; Energy Generation; Energy Sources; Growth Management; Business and Government Relations; Equity; Internet and the Web; Business Model; Energy Industry; Mexico; Latin America
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      Trelstad, Brian, Isa Oliveres, and Jenyfeer Martinez Buitrago. "Iluméxico: For Every Family to Have Power." Harvard Business School Case 323-026, August 2022. (Revised December 2022.)
      • August 2022
      • Case

      Rocket Learning: Evidence in Action

      By: Brian Trelstad, Tomas Rosales and Malini Sen
      Founders of Rocket Learning, an India-based nonprofit which focused on early childhood education (ECE), received an invitation from MIT’s Abdul Latif Jameel Poverty Action Lab (JPAL), a development research organization, to test its intervention for ECE with a... View Details
      Keywords: Social Entrepreneurship; Early Childhood Education; Nonprofit Organizations; Literacy; Values and Beliefs; Social and Collaborative Networks; Education Industry; India; Asia
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      Trelstad, Brian, Tomas Rosales, and Malini Sen. "Rocket Learning: Evidence in Action." Harvard Business School Case 323-002, August 2022.
      • August, 2022
      • Article

      Billing and Insurance-Related Administrative Costs: A Cross-National Analysis

      By: Barak D. Richman, Robert S. Kaplan, Japees Kohli, Dennis Purcell, Mahek Shah, Igna Bonfrer, Brian Golden, Rosemary Hannam, Will Mitchell, Daniel Cehic, Garry Crispin and Kevin A. Schulman
      Billing and insurance-related costs are a significant source of wasteful health care spending in Organization for Economic Cooperation and Development nations, but these administrative burdens vary across national systems. We executed a microlevel accounting of these... View Details
      Keywords: Health Care Costs; Administrative Costs; Cost; Health Care and Treatment; Health Industry
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      Richman, Barak D., Robert S. Kaplan, Japees Kohli, Dennis Purcell, Mahek Shah, Igna Bonfrer, Brian Golden, Rosemary Hannam, Will Mitchell, Daniel Cehic, Garry Crispin, and Kevin A. Schulman. "Billing and Insurance-Related Administrative Costs: A Cross-National Analysis." Health Affairs 41, no. 8 (August, 2022): 1098–1106.
      • June 2022
      • Teaching Plan

      Lifebank Nigeria

      By: Brian Trelstad, Pippa Tubman Armerding and Wale Lawal
      The aspiration of addressing maternal deaths in Nigeria, which were mostly caused by blood shortages, led Temie Giwa-Tubosun to found LifeBank in 2015. LifeBank developed an online platform that enabled hospitals to connect and purchase blood from local blood banks and... View Details
      Keywords: Systems Design; Social Business; Business At The Base Of The Pyramid; Health Care; Blood; Social Enterprise; Health Care and Treatment; Growth and Development Strategy; Finance; Health Industry; Transportation Industry; Africa; Nigeria
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      Trelstad, Brian, Pippa Tubman Armerding, and Wale Lawal. "Lifebank Nigeria." Harvard Business School Teaching Plan 322-090, June 2022.
      • May 2022
      • Case

      The NFL’s $110-Billion Media Rights Deals

      By: Anita Elberse and Elizabeth Warner
      On March 18, 2021, Brian Rolapp, chief media and business officer at the National Football League (NFL) presented the results of a months-long effort to renegotiate rights deals with the NFL’s current partners in television—the media conglomerates behind the networks... View Details
      Keywords: Sports; Entertainment; Media; Marketing; Strategy; General Management; Negotiation; Partners and Partnerships; Competition; Media and Broadcasting Industry; Sports Industry
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      Elberse, Anita, and Elizabeth Warner. "The NFL’s $110-Billion Media Rights Deals." Harvard Business School Case 522-090, May 2022.
      • March 2022
      • Teaching Note

      Sawiris Foundation: Elevating Education in Egypt

      By: Brian Trelstad and Alpana Thapar
      Teaching Note for HBS Case No. 322-023. Founded in 2001 by the Sawiris family, one of the wealthiest families in Egypt, the Sawiris Foundation for Social Development (SFSD) invested in human capital and provision of basic social services for the most marginalized... View Details
      Keywords: Sustainable Development; Human Capital; Equality and Inequality; Education; Business Strategy; Social Enterprise; Social Issues; Partners and Partnerships; Growth and Development Strategy; Education Industry; Egypt
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      Trelstad, Brian, and Alpana Thapar. "Sawiris Foundation: Elevating Education in Egypt." Harvard Business School Teaching Note 322-061, March 2022.
      • December 2021
      • Article

      Negativity Spreads More Than Positivity on Twitter after Both Positive and Negative Political Situations

      By: Jonas Paul Schöne, Brian Parkinson and Amit Goldenberg
      What type of emotional language spreads further in political discourses on social media? Previous research has focused on situations that primarily elicited negative emotions, showing that negative language tended to spread further. The current project extends existing... View Details
      Keywords: Negative Emotions; Emotional Influence; Emotional Resonance; Political Discourse; Emotion Contagion; Intergroup; Interactive Communication; Emotions; Government and Politics; Social Media
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      Schöne, Jonas Paul, Brian Parkinson, and Amit Goldenberg. "Negativity Spreads More Than Positivity on Twitter after Both Positive and Negative Political Situations." Affective Science 2, no. 4 (December 2021): 379–390.
      • 30 Nov 2021
      • Interview

      TikTok: Super App or Supernova?

      By: Jeffrey F. Rayport and Brian Kenny
      TikTok’s parent company, ByteDance, was launched in 2012 around the simple idea of helping users entertain themselves on their smartphones while on the Beijing Subway. By May 2020, TikTok operated in 155 countries and had roughly 1 billion monthly active users, placing... View Details
      Keywords: Apps; Artificial Intelligence; Business Startups; Mobile and Wireless Technology; Business Model; Digital Platforms; Growth and Development Strategy; AI and Machine Learning; Social Media
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      "TikTok: Super App or Supernova?" Cold Call (podcast), Harvard Business Review Group, November 30, 2021. (Interviewed by Brian Kenny.)
      • September 2021 (Revised February 2022)
      • Case

      Sawiris Foundation: Elevating Education in Egypt

      By: Brian Trelstad and Alpana Thapar
      Founded in 2001 by the Sawiris family, one of the wealthiest families in Egypt, the Sawiris Foundation for Social Development (SFSD) invested in human capital and provision of basic social services for the most marginalized Egyptians. In 2015, Noura Selim’s (MBA 2013)... View Details
      Keywords: Sustainable Development; Social Enterprise; Education; Social Issues; Partners and Partnerships; Growth and Development Strategy; Education Industry; Egypt
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      Trelstad, Brian, and Alpana Thapar. "Sawiris Foundation: Elevating Education in Egypt." Harvard Business School Case 322-023, September 2021. (Revised February 2022.)
      • September 2021
      • Article

      Perceptions on Undertaking Regular Asymptomatic Self-testing for COVID-19 Using Lateral Flow Tests: A Qualitative Study of University Students and Staff

      By: Marta Wanat, Mary Logan, Jennifer A. Hirst, Charles Vicary, Joseph J. Lee, Rafael Perera, Irene Tracey, Gordon Duff, Peter Tufano, Thomas Fanshawe, Lazaro Mwandigha, Brian D. Nicholson, Sarah Tonkin-Crine and Richard Hobbs
      Objectives: Successful implementation of asymptomatic testing programmes using lateral flow tests (LFTs) depends on several factors, including feasibility, acceptability and how people act on test results. We aimed to examine experiences of university students... View Details
      Keywords: COVID-19; Self-testing; Health Pandemics; Health Testing and Trials; Behavior
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      Wanat, Marta, Mary Logan, Jennifer A. Hirst, Charles Vicary, Joseph J. Lee, Rafael Perera, Irene Tracey, Gordon Duff, Peter Tufano, Thomas Fanshawe, Lazaro Mwandigha, Brian D. Nicholson, Sarah Tonkin-Crine, and Richard Hobbs. "Perceptions on Undertaking Regular Asymptomatic Self-testing for COVID-19 Using Lateral Flow Tests: A Qualitative Study of University Students and Staff." BMJ Open 11, no. 9 (September 2021).
      • August 2021
      • Supplement

      Shorefast: A Strange and Familiar Way to Reimagine Capitalism: Zita Cobb, Founder and CEO

      By: Brian Trelstad
      Video Supplement for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
      Keywords: Place Making; Nonprofit; Hotel; Economic Development; Tourism; Social Entrepreneurship; Nonprofit Organizations; Development Economics; Economic Systems; Tourism Industry; Canada
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      Trelstad, Brian. "Shorefast: A Strange and Familiar Way to Reimagine Capitalism: Zita Cobb, Founder and CEO." Harvard Business School Multimedia/Video Supplement 322-701, August 2021.
      • July 2021
      • Teaching Plan

      Shorefast: A Strange and Familiar Way to Reimagine Capitalism

      By: Brian Trelstad, Wendy Smith and Natalie Slawinski
      Teaching Plan for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
      Keywords: Place Making; Non-profit; Hotel; Economic Development; Tourism; Social Entrepreneurship; Nonprofit Organizations; Development Economics; Economic Systems; Tourism Industry; Canada
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      Trelstad, Brian, Wendy Smith, and Natalie Slawinski. "Shorefast: A Strange and Familiar Way to Reimagine Capitalism." Harvard Business School Teaching Plan 322-001, July 2021.
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