In February 2024, Fresenius CEO Michael Sen reflected on the company''s transformation journey from his office in Bad Homburg, Germany. With revenues of 22 billion and a mission to advance patient care, Fresenius had built a strong reputation through decades of acquisitions and dividend growth. However, between 2017 and 2022, the company''s share price dropped over 70% as financial and operational performance sharply declined. When .....more

This case describes how rating agencies and other organizations are seeking to improve the quality of carbon credits sold in the voluntary carbon market to organizations seeking to use them to supplement their internal decarbonization efforts to meet their net zero commitments. The case profiles one carbon credit rating company, Calyx Global, and describes its business model, its approach to ratings, and its emerging competitive landscape. The case .....more

By early 2025, Perplexity had rapidly evolved from a modest startup into a trailblazing """"answer engine"""" valued at $9 billion. Led by founder Aravind Srinivas, Perplexity AI had boldly positioned itself as the disruptor aiming to redefine search altogether. Through innovative AI orchestration-combining custom-built indexes, real-time retrieval systems, and advanced language models-Perplexity delivered concise, .....more

In December 2022, Erin Teague, a senior director and the global head of sports, movies and shows at YouTube, technology giant Alphabet Inc.''s video- sharing platform, received the news that Sundar Pichai, the chief executive officer of Alphabet and its subsidiary Google, had given his approval to bid for the rights to the National Football League (NFL)''s Sunday Ticket package. The video-sharing platform was to date mostly associated .....more

Tim Leiweke reviewed how his development group and partners had completely rebuilt an aging Seattle landmark into the world''s greenest arena, carrying the visible name Climate Pledge Arena. It had attracted a new National Hockey League franchise, the Kraken, and featured major entertainers concerned about sustainability, such as singer Billie Eilish. Challenges included politics around the bidding process, the need for construction innovations, .....more