Toshiaki Shimakawa is an Investing team at Headline, which invests at pre-seed, seed, series a, series b across sectors, with checks of $3M to $30M+.
At firms with a similar stage, sector and check size.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckToshiaki Shimakawa is an Investing team at Headline, which invests at pre-seed, seed, series a, series b across sectors, with checks of $3M to $30M+.
Toshiaki Shimakawa invests through Headline, which writes checks of $3M to $30M+ at pre-seed, seed, series a, series b.
Email [email protected], the firm's inbox for founders, and name Toshiaki in the subject. A warm intro from a founder Headline backed works better.
Last updated 2026-10-15. Is this you? Ask for a correction.