Ex-Facebook employees started Slow Ventures with personal funds in 2011 to invest in promising seed-stage companies. Today the firm announced its $165 million fourth fund in addition to its first $55 million fund for later stage investments. According to a blog post announcing the news, partners Dave Morin and Scott Marlette will not invest further but will continue to support the firm’s existing portfolio companies. Slow Ventures current fund has 50 core investments including Ro, Birdies, Airtable and Citizen. The firm’s previous investments include Casper, Postmates, Brandless, and Wag. Visit BusinessInsider.com for more stories.