Mathilde Collin, founder of YC alumnus Front, describes what she learned as she scaled Front to 1000s of paying customers. Video Link

YC Partner and the creator of Gmail, Paul Buchheit in conversation with Geoff describes how he thinks about companies that manage to scale to the ultimate level. Video Link

Serial entrepreneur and angel investor Elad Gil sits down with YC Partner Geoff Ralston to discuss startups. Video Link

YC Partner Aaron Harris gives invaluable advice for how to most effectively and strategically meet with investors. Lecture SlidesLecture TranscriptVideo Link

YC CFO and Partner Kirsty Nathoo gives the lowdown on several different ways to capitalize your company and how those impact founder equity and cap tables overall. Lecture SlidesLecture TranscriptVideo Link

YC Partner Adora Cheung talks to YC Partner Eric Migicovsky, previously founder and CEO of Pebble, about his experience as a hard tech startup founder. Video Link

YC Partner Geoff Ralston gives an introduction to the key concepts to keep in mind once you enter a fundraising process. Lecture SlidesLecture TranscriptVideo Link

YC Partner Jared Friedman joins founders Lillian Chou (COO, Second Measure), Diana Hu (CTO, Escher Reality), Calvin French-Owen (CTO, Segment) and Ralph Gootee (CTO, PlanGrid), to talk about what can go right and wrong building technology. Video Link

YC Partner Adora Cheung talks to Science Exchange Co-Founder and CEO Elizabeth Iorns about her experience as a biotech startup founder. Video Link

YC Partner Adora Cheung, along with Patrick Collison, the founder of well known YC alumnus Stripe, discuss how to most effectively run a startup company towards success. Video Link

YC Partner Dalton Caldwell gives insight into how YC admissions works and what makes for a successful YC experience. Clarification on the Application video: Founders can splice together a video if they're not all in the same place; you do not need to be in same place to do the video. Lecture SlidesVideo Link

Former YC Partner and founder of TripleByte Harj Taggar, along with his cofounder Ammon Bartram discuss a topic startups often struggle with most: finding and hiring the key engineers who will build your product. Lecture SlidesLecture TranscriptVideo Link

Tyler Bosmeny from YC alumnus Clever shares his expertise on how an early stage company should think about sales and about building an enterprise sales team. Lecture SlidesLecture TranscriptVideo Link

YC Partner Geoff Ralston talks to Cowboy Ventures Founder Aileen Lee. Video Link

YC Partner Kat Mañalac and Director of Marketing Craig Cannon describe the most effective ways to use PR and content to help your companies brand and to find more users. Lecture SlidesVideo Link

Former YC partner Garry Tan, the founder of Initialized Capital and a design expert describes how to effectively integrate design into a product development process. Lecture SlidesVideo Link

Former YC partner Garry Tan, the cofounder of Initialized Capital and a design expert describes how to effectively integrate design into a product development process. Lecture SlidesVideo Link

YC Partner Geoff Ralston talks to CoinList Co-Founder and President Andy Bromberg. Video Link

Suhail Doshi, founder of YC alumnus Mixpanel and a world-class expert on measurement details how startups should think about discovering the important facts about how their product is used. Lecture SlidesVideo Link

YC Partner Gustaf Alströmer, who was most recently a growth expert at AirBnb describes strategies for scaling your user base. Lecture SlidesVideo Link

Sam Altman, President of Y Combinator, shares his thoughts on how you can succeed as a startup. TranscriptLecture SlidesVideo Link

YC Partner Adora Cheung talks to Gobble founder and CEO Ooshma Garg. TranscriptVideo Link

David Rusenko from YC alumus Weebly details the story of how Weebly developed one of the most popular website creation and hosting sites on the web today. TranscriptLecture SlidesVideo Link

YC CEO Michael Seibel outlines how successful startups think about building something people want. What problem are you solving? Who is your Customer? How to set up metrics Product Development Pivot vs. Iterate?Transcript Lecture Slides Video Link

YC Partner Geoff Ralston talks with Paul Graham, one of the founders of YC, and tries to draw out as much startup wisdom as possible in 1/2 hour of conversation. TranscriptVideo Link