Some info missing: - Does your team lack the ability to healthily self-critique, with the goal of improvement? - Are your coworker's criticisms usually right?

Some info missing: - Does your team lack the ability to healthily self-critique, with the goal of improvement? - Are your coworker's criticisms usually right? - Do they dominate discussions so others can't get a word in edgewise, or are they an active listener? - What do other coworkers do/think about your coworker? If you can get a healthy process in place to self-critique, with action points... and where everyone has the ability to speak (with a facilitator who tries to understand why some people aren't speaking), that's a possible solution. That provides a constructive vent for your coworker's critiques. This book is the best I know at discussing team dysfunction: http://model-view-culture.myshopify.com/products/your-startup-is-broken http://model-view-culture.myshopify.com/products/your-startu...