Sumizeit helps busy people absorb the ideas that matter — through expert summaries of books, podcasts, and articles in text, audio, and video, plus quizzes, streaks, and challenges that make learning stick.
Sumizeit is led by Clemens Raemy and Weina Scott (both Harvard and Yale grads) — operators who built a profitable learning company from Miami, for people who want more from every hour. Their partnership started at a Harvard café in 2010. It just took nine years to become a company.
Clemens is an entrepreneur and product builder focused on making high-quality learning accessible at scale. He co-founded Sumizeit (a Scomy LLC company) to give people a reliable way to absorb the best nonfiction ideas — without the friction of unfinished bookshelves.
He raised over 60M from top venture capitalists and also built and scaled venture-backed marketplaces, including Kenbi in the home-care space — experience that informs how Sumizeit ships a clean, trustworthy product members can rely on for years.
Featured in tech.eu →Weina is a Harvard-trained engineer and builder who brings product rigor and clarity to Sumizeit’s learning experience. She helps shape how summaries, audio, and practice tools work together so members can learn faster — and keep what they learn.
Profiled by Harvard SEAS, Weina built and sold Switchpod.com in high school and later served as CTO of Handy, operating in 28 cities across three countries — a track record of shipping products people use every day. In addition to Sumizet, she is an author, board member, and co-president of non-profits helping women and entrepreneurs.
Harvard SEAS profile → Clemens and Weina met at Harvard in 2010. Clemens, then at Harvard Business School, was looking for a CTO for his startup — essentially “Uber for Latin America” before describing everything as “Uber for X” became a startup cliché.
A mutual connection led him to Weina, a Computer Science student at Harvard College, and the two met at a café.
It did not go well.
Weina thought Clemens spent far too much time talking about his startup and not nearly enough time asking questions. Her verdict after the meeting: Definitely not working with this guy.
Clemens, apparently unaware that he had failed the interview, thought Weina was fascinating because she was funny and he liked people with a sense of humor.
Before they left, he asked for her email address. Over the next few years, Clemens would occasionally pop into Weina’s inbox with an update about whatever he was building. Weina would read them and think, Oh, this guy again.
But Clemens played the long game.
Years later, when Weina needed help with a business she was working on, Clemens was there to help. Somewhere between business advice, startup problems, and a lot more conversations, the two became close friends and discovered that they worked surprisingly well together.
By 2019, nearly a decade after that awkward café meeting, they decided to build something together.
That something became Sumizeit.
So technically, Sumizeit began with a great partnership. It just took Weina nine years to agree with Clemens about that.
Founded in 2019. Built patiently. Still independently run — and profitable.
Clemens and Weina meet while Clemens is looking for a CTO. Weina is unconvinced. It takes nine years — and a lot of emails — before they build a company together.
Sumizeit launches as a Scomy LLC company in Miami, Florida, with a simple thesis: the world’s best nonfiction ideas should be learnable in the time people actually have.
The catalog expands across business, psychology, science, history, and self-improvement — eventually surpassing 2,500 expert summaries members can trust.
Audio, video, quizzes, streaks, daily riddles, short videos, and daily challenges turn Sumizeit from a summary shelf into a full learning habit — designed for retention, not just consumption.
Seven years on, Sumizeit remains a profitable Scomy LLC company. No hype cycle — just a durable product serving learners who want clarity, consistency, and real results.
The principles behind every summary, quiz, and product decision we ship.
Most people don’t have hours to spare for every book they want to read — and that’s okay. We write for the real gaps in a day: a commute, a lunch break, the few quiet minutes before bed. If something doesn’t help you understand the idea faster, we leave it out.
Making a book shorter should never mean sanding off what made it worth reading. We care about getting the author’s argument right — the structure, the key frameworks, the nuance — so you walk away with something you can actually use.
Finishing a summary feels good, but remembering it a week later is what matters. That’s why we built quizzes, streaks, and daily challenges into the product: small ways to come back to an idea until it becomes yours.
We’ve been a profitable Scomy LLC company in Miami since 2019, and we intend to keep it that way. Independence means we can improve the library and the product at our own pace — for members who will still be learning with us years from now.
Recognition for the people building Sumizeit — and the companies and communities around them.
How co-founder Clemens Raemy built and scaled a venture-backed marketplace — the same product discipline behind Sumizeit’s learning platform.
Read article →Harvard SEAS profiles co-founder Weina Scott — from building Switchpod.com in high school to serving as CTO of Handy across 28 cities in three countries.
Read article →Sumizeit is a Miami-based learning company that publishes 2,500+ expert nonfiction summaries in text, audio, and video — with quizzes, streaks, and challenges so the ideas actually stick. We are a subsidiary of Scomy LLC, founded in 2019, and proudly profitable.
Co-founders Clemens Raemy and Weina Scott. They met at a Harvard café in 2010, stayed in touch for years, and launched Sumizeit together in Miami in 2019.
We don’t stop at the summary. Members get text, audio, and video plus quizzes, spaced practice, streaks, and daily challenges — so you remember the ideas a month later, not just finish another title.
Yes. Sumizeit is a profitable Scomy LLC company based in Miami. Independence means we can improve the library and the product at our own pace — for members who will still be learning with us years from now.
Join a profitable, Miami-based company that has helped learners absorb 2,500+ of the world’s best nonfiction ideas since 2019.
