By Monica E. Oss If you haven’t thought about your own succession plan (or the succession plans for some of your long-standing executive team members), consider some statistics brought to my attention earlier this week at The 2019 OPEN MINDS Executive Leadership Retreat. A total of 1,452 health care CEOs left their posts in 2018, marking the highest number of departures since 2008 Hospital CEO turnover rate is 18% percent, according to a 2019 report by the American College of Healthcare Executives Nearly 50% of executive leadership at non-profit human service provider organizations are 55 years or older And according to our recently released…