by Ranjay Gulati - Publications - Faculty & Research - Harvard Business School

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March–April 2012
Article

The Rise and Fall of Small Worlds: Exploring the Dynamics of Social Structure

By: Ranjay Gulati, Maxim Sytch and Adam Tatarynowicz

This paper explores the interplay between social structure and economic action by examining some of the evolutionary dynamics of an emergent network that coalesces into a small-world system. The study highlights the small-world system's evolutionary dynamics at both... View Details

Keywords: Culture; System; Relationships; Globalization; Industry Clusters; Information; Networks; Competitive Strategy; Computer Industry

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March 2025
Case

Sarojini Naidu: Courage of the Nightingale

By: Ranjay Gulati, Malini Sen and Anjali Raina

Indian poet and freedom fighter and mother of four, Sarojini (Chattopadhyay) Naidu, could not hold back. As the protestors marched ahead without retaliating against the police’s blows, she stepped forward to join them. A British officer approached Naidu and touched her... View Details

Keywords: Gender; Leadership; Personal Development and Career; Motivation and Incentives; Power and Influence; Government and Politics; India; Asia

June 2021 (Revised October 2021)
Supplement

CFM International (B): LEAPing Into the Future

By: Ranjay Gulati, Yves Doz and Kerry Herman

By 2017, after a long and highly successful run, the joint venture CFM’s and its parent firms’ leadership faces new challenges and must once again reconsider their commitment to the JV. CFM’s engines have come to dominate the narrow body aircraft market, but technology... View Details

Keywords: Joint Ventures; Partners and Partnerships; Competitive Strategy; Decision Making; Technological Innovation; Business and Stakeholder Relations; Manufacturing Industry

04 Oct 2011
First Look

First Look: October 4

story: http://sloanreview.mit.edu/x/53104 Toward a Theory of Extended Contact: The Incentives and Opportunities for Bridging across Network Communities Authors:Maxim Sytch, Adam Tatarynowicz, and Ranjay View Details

Keywords: Sean Silverthorne

September 2019
Case

Teaming Up to Win the Rail Deal at GE (A)

By: Amy Edmondson, Ranjay Gulati and Rachna Tahilyani

In 2012, Nalin Jain, then head of GE aviation for South Asia, was given the added responsibility for GE’s transportation business in India, including bidding for a $2.5 billion contract to manufacture, service and maintain 1,000 diesel locomotives for state owned... View Details

Keywords: Recruitment; Selection and Staffing; Human Capital; Groups and Teams; Leadership Style; Leading Change; Organizational Design; Organizational Structure; Industrial Products Industry; Manufacturing Industry; Rail Industry; Transportation Industry; United States; India

April 2017 (Revised November 2017)
Case

BlackRock (D): Organizing for the Future (with video links)

By: Ranjay Gulati, Jan W. Rivkin and Aldo Sesia

By the end of 2015, BlackRock had succeeded beyond any of the early dreams of its founders. The firm remained the world’s largest asset manager, with more than $4.6 trillion under management, and other financial services companies used BlackRock’s Aladdin platform to... View Details

Keywords: Strategy; Competition; Information Technology; Asset Management; Growth and Development Strategy; Financial Services Industry; United States

Teaching Interest

Designing and Executing Corporate Revitalization

By: Ranjay Gulati

Given today's turbulent environment, business leaders are seeking a new path to success for their companies. But while many firms talk about transforming themselves around current trends such as digitization and remote work, most struggle when it comes to... View Details

Teaching Interest

Driving Organizational Agility - Virtual

By: Ranjay Gulati

Today's businesses must be alert to changes in the external environment, develop competitive strategies quickly—and adapt the organization to execute. In this virtual program, you'll explore organizational structures and processes that have enabled businesses to... View Details

December 18, 2023
Article

Lessons from Building a Payment Business in Africa

By: Ranjay Gulati

Keywords: Emerging Markets; Leadership; Partners and Partnerships; Information Infrastructure; Credit Cards; Financial Services Industry

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November 27, 2023
Article

How James Mwangi Worked to Democratize Banking Across Africa

By: Ranjay Gulati

Keywords: Personal Development and Career; Moral Sensibility; Decisions; Financial Services Industry

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November 7, 2023
Article

How Courage Can Help Leaders Stay the Course

By: Ranjay Gulati

Keywords: Leadership; Corporate Social Responsibility and Impact; Environmental Sustainability; Profit; Food and Beverage Industry

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October 23, 2023
Article

How John Chen Rescued Blackberry

By: Ranjay Gulati

Keywords: Leadership; Problems and Challenges

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May 25, 2024
Article

How to Prevent Silos from Becoming an Enemy of Collaboration

By: Ranjay Gulati

Keywords: Groups and Teams; Organizational Structure

February 2019
Supplement

Alaska Airlines Video Supplement (A)

By: Ranjay Gulati

1997
Conference Presentation

Where do Interorganizational Networks Come From?

By: Ranjay Gulati

1997
Conference Presentation

Where do Interorganizational Networks Come From?

By: Ranjay Gulati

2001
Conference Presentation

The Brave New World of Wireless Web

By: Ranjay Gulati

2001
Conference Presentation

Trust in Business-to-Business Relationships: Combining Social and Electronic Networks

By: Ranjay Gulati

2001
Conference Presentation

Strategy and Entrepreneurship: What Changes in the Digital Economy? Interorganizational Partnerships in the Digital Economy

By: Ranjay Gulati

2003
Conference Presentation

Stacking the Deck: The Effects of Upper Echelon Affiliations for Entrepreneurial Firms

By: Ranjay Gulati

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