Most seed funds (sub-$2M checks) have to make a large number of investments (like 15 per partner every 2-3 years) to make the fund economics work. Sitting on as

Most seed funds (sub-$2M checks) have to make a large number of investments (like 15 per partner every 2-3 years) to make the fund economics work. Sitting on as many boards would be impossible / ineffective. The situation is different when you hit SeriesA, where partners generally do up to 3x investments per year. This results in a more manageable board load.