Y Combinator · Launch Video Breakdown: Hook, Pacing & Motion Design

.@dittobio discovers drugs for autoimmune diseases by harnessing parasite biology. Viruses, ticks, and worms have experimented over millions of years to create proteins that control the human immun…

AI AgentsLaunchFebruary 9, 2026@ycombinator

Website View on X

9.1 /10

Hook score

Problem-Solution Founder Introduction

Cuts / min

1:23

Runtime

30K

Views

Likes

Reposts

Replies

Reusable motion template

Scientific Founder Launch with Dynamic B-Roll

Founder Authority & Technical Motion Graphics

Adapt it.

Replace Ditto Bio logo with new product logo at 0:00.
Update founder names and titles in FounderIntroLowerThird components.
Substitute B-roll footage: replace medical/microscopic shots with relevant agricultural drone footage, satellite imagery, and data visualizations.
Adjust KeywordHighlightFade text to highlight key terms related to sustainable agriculture and AI.
Modify end screen text for LogoTextSequentialReveal to reflect new product's tagline, benefits, and investor information.
Ensure audio track maintains a driving beat and high-energy transitions, aligning with the original's pacing.

Source: X / Twitter launch · View original post

Launch overview & key findings

A 83-second founder authority & technical motion graphics launch video by Y Combinator, unveiled on February 9, 2026 with over 30K views on X. Evaluated at a 9.1/10 hook score with an editing tempo of 16 cuts per minute, the production demonstrates Ditto Bio, founded by Dennis Sun, Emily Weiss, and Adair Borges, is pioneering drug discovery for autoimmune diseases by leveraging parasite biology. They highlight the failures of current treatments and propose that nature, specifically parasites, holds the key to transformative blockbuster drugs, much like Ozempic and Botox. The video employs a fast-paced, direct-to-camera founder authority style, interspersed with illustrative scientific and natural B-roll, and clean motion graphics.

0:00 · The Hook · Introducing Ditto Bio: Harnessing Parasite Biology

0:00 / 0:00

The Hook
Introducing Ditto Bio: Harnessing Parasite Biology
“Hi, I'm Dennis Sun. I'm Emily Weiss. And I'm Adair Borges. We are Ditto Bio. We discover drugs for autoimmune diseases by harnessing parasite biology.”
On screen
ditto bio Emily Weiss, PhD Dennis Sun, PhD Adair Borges, PhD We discover drugs for autoimmune
Camera
Static wide shot of three founders, then close-up on a woman's shoulder, then medium shot of a founder. Cuts between founders and illustrative shots.
Motion
Rapid cuts between founder introductions and problem-setting visuals. Text overlays introduce names and highlight keywords.
Problem Agitation
The Autoimmune Crisis: Current Treatments Fail
“Autoimmune diseases like arthritis, eczema, lupus, and Crohn's disease affect one in ten people worldwide. In these diseases, your immune system, which is meant to protect you, attacks your own body, causing chronic inflammation and organ damage. Despite decades of research and billions of dollars spent on treatments, nearly ninety percent of drugs fail in clinical trials because they aren't effective enough or they have too many side effects. We're taking a different approach, learning from nature.”
On screen
Autoimmune diseases like arthritis, eczema, one in ten people worldwide. system, which is meant to body, causing chronic inflammation and treatments, nearly ninety percent of clinical trials because they aren't a different approach, learning from
Camera
Alternating medium shots of founders speaking directly to the camera with close-up B-roll of microscopic cells and a person's shoulder.
Motion
Quick cuts between speakers and illustrative B-roll. Highlighted keywords in captions emphasize key problems. Sub-bass drop/impact at 0:09 and 0:28.
Product Reveal
Parasite Biology: Nature's Solution to Autoimmune Disease
“For millions of years, viruses, ticks, and worms have experimented over millions of years to create proteins that control the human immune system, calming it, redirecting it, and preventing harmful inflammation. We're harnessing these natural molecules to discover new drugs for people with autoimmune disease.”
On screen
For millions of years, viruses, immune system, calming it, redirecting it, and preventing harmful inflammation. molecules capable of modulating the with autoimmune disease.
Camera
Close-up on a scientist working in a lab, then microscopic footage of cells, then medium shot of a founder. Continues alternating between founders and lab/microscopic visuals.
Motion
Visuals shift to microscopic views and lab work, illustrating the scientific process. Keywords in captions are highlighted to emphasize the solution.
Feature Teaser
Nature's Blockbuster Drugs: The Future is Parasites
“Nature has already given us blockbuster drugs like Ozempic from Gila monster venom and Botox from a deadly bacterium. We believe parasites are the next source of transformative blockbuster drugs.”
On screen
nature Ozempic from Gila monster Botox from a deadly bacterium. source of transformative blockbuster drugs. ditto bio Built by nature Scaled by Ditto Backed by Y Combinator dittobio.com
Camera
Close-up on a Gila monster, then microscopic bacteria, then medium shot of a founder. Concludes with a static shot of the company logo and text.
Motion
Illustrative B-roll of animals and bacteria reinforces the 'nature-derived' concept. Final scene features a clean logo reveal with supporting text, fading in sequentially.

Synthesizable in Remotion · key components of the founder-authority-tech-launch template.

KeywordHighlightFade

Specific words within a sentence caption animate with a subtle yellow highlight and a quick fade-in/fade-out effect, drawing attention to key terms.

+ Code construction recipe

Use Remotion's <Sequence> and <AbsoluteFill> components. Split the caption text into an array of words. For each word, conditionally render a <Text> component with a background color and opacity animation using `interpolate` or `spring` based on `frame` and `durationInFrames`.

FounderIntroLowerThird

A lower third graphic appears with the founder's name and title, sliding up from the bottom of the screen with a smooth ease-out motion.

+ Code construction recipe

Create a <AbsoluteFill> container at the bottom of the screen. Animate its `transform: translateY` property from `100%` to `0%` using `spring` or `interpolate` with an `easeOutCubic` curve. Include <Text> components for name and title within this container.

LogoTextSequentialReveal

The company logo appears first, followed by lines of descriptive text that fade in sequentially below it, building information layer by layer.

+ Code construction recipe

Render the logo <Img> component. For each line of text, use a separate <Sequence> or `interpolate` on `opacity` with staggered `from` and `durationInFrames` values to create a sequential fade-in effect. Position elements using `AbsoluteFill` or `Flex`.