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- August 2025
- Case
Must B Nutty?
By: Christina Wallace, Martha Hostetter and Alicia Dadlani
Veronica and Miguel Garza, siblings from a large Mexican-American family from Texas, founded a company in 2014 to sell the almond-flour tortillas Veronica had developed to fit her grain-free diet. Their company, Must Be Nutty, tapped into growing demand for... View Details
- July 2025
- Case
Greenwood Online: A Fin-Tech Service for Culture and Community (B)
By: James Riley and Bernal Cortés
This B case follows Greenwood’s development after launch, including its decision to partner with a White-owned bank for backend support and its rapid growth despite that controversial choice. It traces the company’s scaling efforts, major fundraising rounds,... View Details
- July 2025
- Case
Toilets for the Underserved: The SURT Commercialization Challenge
By: Maria P. Roche, Anne Marie Knott and Alexander Oettl
In 2021, a breakthrough in sanitation technology developed under the Gates Foundation’s “Reinvent the Toilet” initiative stood ready for commercialization. The Single User Reinvented Toilet (SURT), engineered by Dr. Shannon Yee, offered an off-grid, self-contained... View Details
Keywords: Technological Innovation; Commercialization; Social Issues; Social Enterprise; Public Sector; Private Sector; Market Entry and Exit; Strategic Planning; Engineering; Infrastructure; Innovation Strategy; Utilities Industry; Consumer Products Industry; United States; South Africa; India; France
- July 2025
- Teaching Note
Hyperscaling Dreams: Ualá's Path from Startup to Fintech Champion
By: Juan Alcácer and Manuel Franck
Teaching Note for HBS Case No. 725-408. Ualá, a fintech startup founded in Argentina in 2017 by Pierpaolo Barbieri, aimed to increase financial inclusion in Latin America through a digital platform linked to a prepaid card. After rapid success in Argentina, it expanded... View Details
- July 2025
- Article
Extraverts Reap Greater Social Rewards from Passion Because They Express Passion More Frequently and More Diversely
By: Kai Krautter, Anabel Büchner and Jon M. Jachimowicz
Passion is stereotypically expressed through animated facial expressions, energetic body movements, varied tone, and pitch—and met with interpersonal benefits. However, these capture only a subset of passion expressions that are more common for extraverts. Indeed, in... View Details
Keywords: Passion; Personality; Extraversion; Scale Development; Perception; Personal Characteristics
Krautter, Kai, Anabel Büchner, and Jon M. Jachimowicz. "Extraverts Reap Greater Social Rewards from Passion Because They Express Passion More Frequently and More Diversely." Personality and Social Psychology Bulletin 51, no. 7 (July 2025): 1159–1172.
- 2025
- Working Paper
Productivity Beliefs and Efficiency in Science
By: Fabio Bertolotti, Kyle R. Myers and Wei Yang Tham
We develop a method to estimate producers’ productivity beliefs in settings where output quantities and input prices are unobservable, and we use it to evaluate allocative efficiency in the market for science. Our model of researchers’ labor supply shows that their... View Details
Bertolotti, Fabio, Kyle R. Myers, and Wei Yang Tham. "Productivity Beliefs and Efficiency in Science." Harvard Business School Working Paper, No. 25-063, June 2025.
- June 2025 (Revised July 2025)
- Case
Full-Funnel Advertising on TikTok
By: Jeremy Yang, Ayelet Israeli and Alexis Lefort
In 2025 TikTok is working to grow its brand and performance advertising business, along with a new integrated full-funnel solution. As an emerging media platform with unique ad formats and user behavior in a privacy-first environment, TikTok faces both significant... View Details
Keywords: Social Media; Growth and Development Strategy; Advertising; Brands and Branding; Digital Marketing; Measurement and Metrics
Yang, Jeremy, Ayelet Israeli, and Alexis Lefort. "Full-Funnel Advertising on TikTok." Harvard Business School Case 525-065, June 2025. (Revised July 2025.)
- May 2025
- Case
IQanat: Empowering Rural Youth in Kazakhstan
By: Boris Groysberg and Maxim Pike Harrell
In June 2025, IQanat CEO Aliya Salikova considered scaling opportunities for the foundation, which provided educational opportunities for children from rural regions of Kazakhstan. Established by Kazakhstani businessman and philanthropist Aidyn Rakhimbayev, IQanat... View Details
Keywords: Mission and Purpose; Organizational Change and Adaptation; Leadership; Social Enterprise; Social Entrepreneurship; Growth and Development Strategy; Growth Management; Rural Scope; Philanthropy and Charitable Giving; Equality and Inequality; Education Industry; Central Asia; Kazakhstan
Groysberg, Boris, and Maxim Pike Harrell. "IQanat: Empowering Rural Youth in Kazakhstan." Harvard Business School Case 425-077, May 2025.
- May 2025
- Teaching Note
Boutiqaat: Influencing Retail in MENA
By: Juan Alcacer and Noor Al Qadhi
Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
- May 2025
- Case
Boutiqaat: Influencing Retail in MENA
By: Juan Alcacer and Noor Al Qadhi
Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
- May–June 2025
- Article
Branch-and-Price for Prescriptive Contagion Analytics
By: Alexandre Jacquillat, Michael Lingzhi Li, Martin Ramé and Kai Wang
Contagion models are ubiquitous in epidemiology, social sciences, engineering, and management. This paper formulates a prescriptive contagion analytics model where a decision maker allocates shared resources across multiple segments of a population, each governed by... View Details
Jacquillat, Alexandre, Michael Lingzhi Li, Martin Ramé, and Kai Wang. "Branch-and-Price for Prescriptive Contagion Analytics." Operations Research 73, no. 3 (May–June 2025): 1558–1580.
- May 2025
- Case
Community First! Village: Scaling Goodness?
By: Jan Rivkin and Coelin P. Scibetta
The nonprofit organization Mobile Loaves & Fishes has devised an innovative way to address chronic homelessness: their Community First! Village provides tiny homes, recreational vehicles, and facilities that bring community, housing, support, and work opportunities to... View Details
- April 2025
- Teaching Note
Allbirds: Decarbonizing Fashion (A) and (B)
By: Michael W. Toffel, Ken Pucker and Stacy Straaberg
Teaching Note for HBS Case Nos. 622-024, 625-004, 625-005, and 625-702. The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider... View Details
Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Business Startups; Initial Public Offering; Knowledge Sharing; Competitive Advantage; Apparel and Accessories Industry; Fashion Industry; United States; California
- April 2025
- Supplement
Allbirds: Decarbonizing Fashion PowerPoint Supplement
By: Michael W. Toffel, Ken Pucker and Stacy Straaberg
The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider fashion industry. Background material highlights the growing... View Details
Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California
- April 2025
- Teaching Note
Tabby: Winning Customers' Digital Wallets
By: Eva Ascarza
Teaching Note for HBS Case No. 524-056. Tabby, a Saudi-based fintech founded in 2019, rapidly became one of the MENA region’s first unicorns by offering buy-now-pay-later (BNPL) services with a unique twist: instead of charging end consumers, it partnered with... View Details
- April 2025
- Case
Breezm: Innovative 3D-Printed Eyewear (A)
By: Juan Alcácer, Brian Mao Fu and Adina Wong
In 2023, Breezm, a South Korean startup, faced a strategic decision about how to grow its innovative 3D-printed, custom-fit eyewear business. Co-founded in 2017 by Zenma Park and Wooseok Sung, Breezm combined facial scanning, AI, and in-house production to solve the... View Details
Keywords: 3D Printing; Eyeyewear; Growth; Business Startups; AI and Machine Learning; Technological Innovation; Growth and Development Strategy; Risk and Uncertainty; Expansion; South Korea
Alcácer, Juan, Brian Mao Fu, and Adina Wong. "Breezm: Innovative 3D-Printed Eyewear (A)." Harvard Business School Case 725-376, April 2025.
- March 2025 (Revised June 2025)
- Case
Designing the Future of Work: Atlassian's Distributed Work Practices
By: Ashley Whillans and Gabriel Rondón Ichikawa
In early 2020, the software company Atlassian made a bold commitment: employees could work from anywhere—forever. While many tech peers reversed course on remote work, Atlassian worked to optimize their fully distributed model across 13 countries. This case follows... View Details
Keywords: Transformation; Working Conditions; Management Practices and Processes; Product Development; Organizational Culture; Business Strategy; Employees; Technology Industry
Whillans, Ashley, and Gabriel Rondón Ichikawa. "Designing the Future of Work: Atlassian's Distributed Work Practices." Harvard Business School Case 925-029, March 2025. (Revised June 2025.)
- 2025
- Working Paper
The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise
By: Fabrizio Dell'Acqua, Charles Ayoubi, Hila Lifshitz, Raffaella Sadun, Ethan Mollick, Lilach Mollick, Yi Han, Jeff Goldman, Hari Nair, Stew Taub and Karim R. Lakhani
We examine how artificial intelligence transforms the core pillars of collaboration—
performance, expertise sharing, and social engagement—through a pre-registered field
experiment with 776 professionals at Procter & Gamble, a global consumer packaged goods
company.... View Details
Keywords: Artificial Intelligence; Teamwork; Human-machine Interaction; Productivity; Skills; Innovation; Field Experiment; AI and Machine Learning; Groups and Teams; Competency and Skills; Performance Productivity; Collaborative Innovation and Invention; Product Development
Dell'Acqua, Fabrizio, Charles Ayoubi, Hila Lifshitz, Raffaella Sadun, Ethan Mollick, Lilach Mollick, Yi Han, Jeff Goldman, Hari Nair, Stew Taub, and Karim R. Lakhani. "The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise." Harvard Business School Working Paper, No. 25-043, March 2025.
- March 2025
- Supplement
Wasabi Technologies (B)
By: Lou Shipley and Stacy Straaberg
Set in 2019, the “Wasabi Technologies (A)” case centers on Wasabi Technologies (Wasabi), a successful hot cloud storage company based in Boston, Massachusetts. Founder and CEO David Friend is ready to scale the four-year-old venture rapidly. Wasabi had so far focused... View Details
Keywords: Information Management; Sales; Product Development; Growth and Development Strategy; Business Strategy; Information Technology Industry; United States; Massachusetts; Boston
Shipley, Lou, and Stacy Straaberg. "Wasabi Technologies (B)." Harvard Business School Supplement 825-035, March 2025.
- March 2025
- Teaching Plan
Wasabi Technologies (A) and (B)
By: N. Louis Shipley and Stacy Straaberg
Teaching Plan for HBS Case Nos. 823-021 and 825-035. Set in 2019, the “Wasabi Technologies (A)” case centers on Wasabi Technologies (Wasabi), a successful hot cloud storage company based in Boston, Massachusetts. Founder and CEO David Friend is ready to scale the... View Details