Many new executives who are not experienced in the industry come in and have grand visions that cannot be executed. Highly stressful demands are made on existing staff to meet dates and deadlines which are unrealistic. While they ask for feedback, they don't want to hear anything contradictory to what they want to do.
There is a focused effort to acquire many companies quickly to get to a certain client size. Integration plans have yet to be successful, causing strain and significant stress on existing employees (also client satisfaction).
There are multiple re-orgs resulting in a highly political environment and lack of trust internally.