Shaun BlackBlockedUnblockFollowFollowingEntrepreneur. Founder of Koha, a mobile system that drives revenue to small business through non-profit fundraising… When in doubt, add value.Apr 29How to select your angel round valuation (aka “the $4m rule”)jason34811jason, I’m the founder of an early stage startup. As you would likely guess I’ve spent substantial time pondering the valuation question. Your advice is quality and helped tremendously. Thank you.