Paul McManus of Boston Millennia Partners asked whether I have data on how board composition changes by company stage. I can slice my data using rounds of financing, company age, and a variety of other metrics. Most of those metrics tell similar stories. To pick one of them, the chart below shows board composition by company age:

Angels are consistently 6-10% of boards (an interesting pattern), the % of VCs rises relatively consistently from a high first-year base of 34%, and the % of industry execs/reps also increases consistently. As these “outsider” categories collectively increase, the % of insiders …