Alexandria Lafci and Brett Hagler are cofounders of New Story Charity.New Story Charity builds homes and communities in the developing world. They were part of the Summer 2015 YC batch.They just 3d printed their first home in Austin, Texas. You can check it out at 3DHome.org.The YC podcast is hosted by Craig Cannon.

Vivek Ravisankar is the CEO and cofounder of HackerRank, which was in the Summer 2011 batch.They surveyed 40,000 developers on things including their favorite frameworks, what they want in a job, and how they learned to code. You can read the report here.The YC podcast is hosted by Craig Cannon.

Porter Braswell is the CEO and cofounder of Jopwell (YC S15). Jopwell is a career advancement platform for Black, Latinx, and Native American students and professionals.The YC podcast is hosted by Craig Cannon.

Dr. Rosalind Watts, clinical psychologist at the Psychedelic Research Group at Imperial College London, discusses the history and resurgence of psilocybin research, embracing difficult emotions and surrendering in psychedelic experiences, the effects of psilocybin on depression, the role of psilocybin in therapy, accessing altered states beyond psychedelics, and maintaining change and connecting to self and others.

Avni Patel Thompson is the founder and CEO of Poppy (YC W16). Poppy lets parents book the best caregivers with just a text.We recorded this episode at our Female Founders Conference in Seattle. We’re also hosting female founder events in New York and SF this year. You can sign up to our newsletter to get updates about those events.The YC podcast is hosted by Craig Cannon.

Dan Lewis is the CEO and Cofounder of Convoy.Convoy matches shippers with freight carriers, which helps the trucking industry run more efficiently because currently, over 40% of the trucks on the road are empty.Anu Hariharan is a Partner at YC Continuity.Read the transcript here.

Reid Hoffman interviews Sam Altman on this uncut interview from the Masters of Scale podcast.

Geoff Ralston is a Partner at YC and before that he cofounded Imagine K12.This episode covers Startup Investor School. Startup Investor School is a free, 4-day course designed to educate early stage investors interested in investing in startups. You can sign up at investor.startupschool.org.The YC podcast is hosted by Craig Cannon.

Jake Rosenberg is the cofounder and CTO of LendUp (W12). They provide access to quality credit cards and loans without hidden fees or debt traps. Their customers are the 56% of Americans that have what is described as a “subprime” credit score, meaning they can’t be approved for credit by most banks.Ali Rowghani is the CEO of YC Continuity.Read the transcript on our blog.

Sam Chaudhary is the cofounder and CEO of ClassDojo. They've raised $30M and have 30 employees.Karen Lien is an Edtech Principal here at YC.The YC podcast is hosted by Craig Cannon.