I found a PureWow article (“How to Deal with Toxic Coworkers, According to a CEO”) that shares the thinking of Mason Farmani, a fractional CEO and conflict mediator. Below is a summary of the key points & tips — happy to also pull up the full transcript if you want more depth. Key concepts to recognize Before acting, it helps to see what you're dealing with. Some warning signs Farmani points out: Chronic negativity: when someone is always pessimistic, complaining, and bringing down morale. PureWow Gossiping: spreading rumors, sharing others’ personal or confidential info. PureWow Inflexibility: refusal or aversion to new methods, resisting change even when needed. PureWow Overly competitive vs collaborative: when a person treats coworkers more as competitors instead of collaborators.