Coming Soon

Season 1: Network Effects
Unlock exponential growth
Master the 16 network effects
20 years of insights in one class

Investing Profile

Donald Valentine

Photo of Donald Valentine, Investor

Signal uses Gmail to reveal intro paths. Email content is never read.

Sign in with Google →
cb
Investor
$10K - $50K
$25K
3
CompanyStageDateRound SizeTotal Raised
Cisco
Series AJan 1987$2.5M
$2.5M
Apple
Seed RoundMay 1978$150K
Seed RoundMay 1977$250K
$400K