Steven Tian

Amid warming relations with Washington, Vladimir Putin is floating new opportunities for Western companies in Russia. But Yale SOM’s Jeffrey Sonnenfeld and co-author Steven Tian write that business leaders are reluctant to reengage in a dangerous setting and a faltering economy.

Yale SOM’s Jeffrey Sonnenfeld and co-authors Stephen Henriques and Steven Tian write that while there are legitimate reasons for some tariffs, the president’s arbitrary approach is worrying allies and unsettling markets.

Leadership expert Jeffrey Sonnenfeld and co-author Steven Tian look across history for examples of pitfalls that could lie ahead for Elon Musk and Donald Trump.

Investors are undervaluing promising drug candidates on the horizon for the two pharma giants, write Yale SOM’s Jeffrey Sonnenfeld and co-author Steven Tian.

Yale SOM’s Jeffrey Sonnenfeld writes that business leaders are engaging with the new administration because they want to collaborate on areas of shared interest—and steer Trump away from ill-advised policies.

Professor Jeffrey Sonnenfeld and co-author Steven Tian write that the president-elect’s policies could have disruptive effects on some of the state’s most important industries, for better and for worse.

Disturbingly, a vocal fringe has cheered the murder of the CEO of UnitedHealthcare, write Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian, but most Americans admire business leaders and see them as a stabilizing force.

Yale SOM’s Jeffrey Sonnenfeld, co-author Steven Tian, and investor and former White House staffer Anthony Scaramucci write that the markets have extremely low trading volume—which makes it easy to manipulate them.

Yale SOM’s Jeffrey Sonnenfeld, co-author Steven Tian, and diplomat Dennis Ross write that Sinwar’s death could ultimately lead to the end of Hamas rule and the political and economic stabilization of Gaza.