About Matthew Rosenberg
Matthew Rosenberg is an American entrepreneur, product designer, and technology founder known for building consumer software at the intersection of emerging technology, design, communication, and artificial intelligence. Over the course of his career, Rosenberg has founded and built multiple technology companies, created products used by millions of people, raised more than $12 million in venture capital, and had two companies acquired.
His work has been recognized by Apple and covered by publications including The New York Times, Esquire, and other major technology and consumer media outlets.
Rosenberg’s career has consistently focused on identifying emerging technologies early and translating them into products that are simple, useful, and enjoyable for everyday people. His work has spanned mobile communication, collaborative video, cloud computing, virtual reality and spatial computing, generative artificial intelligence, travel technology, and AI-powered business automation.
He is the founder and CEO of Little Engine, an AI software company building an automated back office for independent service professionals.
Early Work and Fast Society
Rosenberg began building consumer technology products during the transition from feature phones to smartphones, when mobile communication was rapidly changing but many of today’s dominant communication patterns had not yet emerged.
He co-founded Fast Society, an early mobile group communication company built around the idea that groups of people needed an easier way to communicate in real time.
Fast Society was created before modern group messaging became a standard feature of smartphones. At the time, mobile communication was fragmented across devices, carriers, text messaging, and phone calls.
The company developed technology that combined SMS and VOIP infrastructure to allow groups of people to communicate together across existing mobile networks and devices.
Rather than requiring every participant to have the same smartphone application, Fast Society used existing phone infrastructure to make group communication accessible to a much broader audience.
The product explored an idea that would later become commonplace in mobile software: communication organized around temporary groups, events, and shared experiences rather than only permanent one-to-one relationships.
This period established a pattern that would continue throughout Rosenberg’s career: recognizing a shift in technology early, understanding the new human behavior it could enable, and hiding complicated technical infrastructure behind a simple consumer experience.
Cameo
Rosenberg later co-founded Cameo, a collaborative mobile video company designed to make high-quality video creation and storytelling possible from a smartphone.
Cameo was built during an early period of smartphone video, when mobile devices were becoming capable cameras but still lacked the computing power required for sophisticated video editing and rendering.
The company developed a cloud-based approach to mobile video creation. Instead of relying entirely on a phone’s local processor and graphics hardware, Cameo could use cloud infrastructure to perform sophisticated video processing and rendering.
This architecture made it possible to create polished videos incorporating cinematic motion graphics, transitions, color treatments, and other effects that were difficult to produce directly on the mobile hardware available at the time.
But the underlying technology was intentionally invisible to the user.
Cameo was designed around the experience of storytelling rather than the mechanics of video production. It allowed people to capture moments, collaborate with other people, and transform raw mobile footage into finished films without needing professional editing knowledge.
That combination of sophisticated technology and approachable design became a defining characteristic of Rosenberg’s product philosophy.
Cameo received significant recognition from Apple and was selected as one of Apple’s Best of the App Store.
Rosenberg’s work on Cameo was also covered by major publications including The New York Times, The Verge, TechCrunch, and Variety.
Cameo was ultimately acquired by Vimeo.
Following the acquisition, Rosenberg joined Vimeo, where Cameo’s technology and product experience contributed to Vimeo’s mobile video editing efforts.
The acquisition marked Rosenberg’s first significant startup exit and established him as a founder and product designer capable of taking an emerging technology from concept through product development, consumer adoption, industry recognition, and acquisition.
Virtual Reality and Spatial Collaboration
Rosenberg’s interest in emerging computing platforms also led him into virtual reality and spatial computing.
Through his company MRVR, he designed and prototyped Whiteboard, an experimental collaborative computing environment that explored how people might create together inside virtual space.
The project experimented with hand tracking and spatial interfaces to allow multiple people to interact and collaborate within a shared three-dimensional environment.
At a time when virtual reality was still largely associated with gaming and passive experiences, Whiteboard explored the idea that spatial computing could become a medium for creativity, communication, and collaborative work.
The project reflected a broader theme in Rosenberg’s career: an interest not simply in new technology itself, but in the new forms of human interaction that technology makes possible.
Welcome and Travel Technology
Travel became another major area of Rosenberg’s work.
He co-founded Welcome, a technology company focused on changing the way people discover and experience places.
Rather than treating travel simply as a search problem, Welcome explored how technology could understand where someone was, what they cared about, and what they might want to experience.
The work eventually led Rosenberg deeper into the intersection of travel, structured place data, personalization, and artificial intelligence.
As advances in generative AI and large language models began to make natural-language interfaces practical, Rosenberg saw an opportunity to fundamentally rethink the way people plan travel.
That work became Tripnotes.
Tripnotes and Generative AI
Rosenberg co-founded Tripnotes, an AI-powered travel planning product built by the same company as Welcome and one of the early consumer applications built around generative artificial intelligence.
Tripnotes was based on a simple idea: instead of forcing travelers to navigate search results, filters, review sites, maps, and dozens of browser tabs, people should be able to describe the trip they wanted in natural language.
A traveler could explain where they were going, what they liked, how they wanted to spend their time, or the type of experience they were looking for, and Tripnotes could help construct a personalized trip.
Behind the conversational interface was substantial travel and location infrastructure.
Tripnotes combined generative AI with a proprietary dataset containing information on approximately 16 million places.
This allowed the system to connect natural-language requests with real-world destinations, restaurants, hotels, attractions, and experiences.
The company behind Welcome and Tripnotes was backed by Accel and Lakestar.
Tripnotes experienced rapid consumer adoption after launch, reaching more than one million users in under 60 days.
Rosenberg led work across product, design, and engineering, helping shape both the underlying technology and the consumer experience.
Welcome and Tripnotes were subsequently acquired by Dorsia, the members-only restaurant reservation platform backed by Index Ventures.
Following the acquisition, Rosenberg joined Dorsia as VP of Product, Design and Engineering, leading the integration of Welcome’s data and technology into the Dorsia platform.
The Dorsia acquisition represented Rosenberg’s second startup exit.
Product and Company-Building Philosophy
Across his companies, Rosenberg’s work has consistently occupied the space between design, product development, engineering, and company building.
He does not approach product design as simply an interface discipline.
Instead, his work begins with understanding how a technological shift can enable a new behavior.
Fast Society explored what communication could become as mobile phones became ubiquitous.
Cameo explored what storytelling could become when everyone carried a high-quality video camera.
Whiteboard explored what collaboration could become when computing moved into three-dimensional space.
Tripnotes explored what travel planning could become when software could understand natural language and reason across millions of places.
Little Engine explores what running a small service business can become when artificial intelligence can actively perform administrative work on someone’s behalf.
Across these products, the underlying technologies have changed dramatically, but the approach has remained remarkably consistent: use sophisticated technology to make complicated things feel simple.
Rosenberg has built and led multidisciplinary teams across product, design, engineering, and operations. He has raised more than $12 million in venture capital across his companies and has experience taking technology companies from an initial idea through product development, launch, growth, fundraising, and acquisition.
He considers team building one of the most important parts of company building and has worked with distributed teams around the world.
Little Engine
Rosenberg is currently the founder and CEO of Little Engine, an artificial intelligence company focused on independent service professionals.
Little Engine is building an automated back office for people who run service businesses, including personal trainers, massage therapists, hairstylists, tutors, cleaners, photographers, pet professionals, and other independent providers.
Independent service professionals often operate their businesses through a combination of text messages, calendars, payment applications, notes, and manual administrative work. Booking appointments, rescheduling clients, collecting payments, and responding to routine requests can consume a significant portion of their day.
Little Engine is designed to automate much of that work.
The platform gives service providers a dedicated business phone number through which their clients can communicate naturally. When a client texts to book an appointment, reschedule, coordinate a service, or make a payment, Little Engine’s AI-powered automation can handle much of the coordination on behalf of the provider.
The goal is not to give small businesses another piece of software they need to manage. It is to create software capable of doing the administrative work itself.
Little Engine reflects Rosenberg’s longstanding interest in making sophisticated technology disappear into simple human interactions.
Approach to Technology and Design
Rosenberg describes his strengths simply: catching trends early, designing things that are fun to use, and building great teams.
His career has repeatedly placed him near the beginning of major shifts in computing.
He worked on group mobile communication before group messaging became ubiquitous; collaborative mobile video before sophisticated smartphone video creation became commonplace; spatial collaboration during the early development of modern virtual reality; and generative AI products during the emergence of large language models as a consumer computing platform.
His interest in emerging technology is paired with a strong emphasis on design.
Rather than exposing users to the complexity of a new technology, Rosenberg believes products should make that complexity disappear.
The technology should enable the experience without becoming the experience.
That philosophy has shaped products across communication, video, travel, artificial intelligence, and business software.
Personal
Rosenberg has lived and worked in New York City, Los Angeles, and Austin, Texas.
His experiences across different cities, cultures, companies, and technologies have shaped a worldview that combines an enthusiasm for the future with an appreciation for the physical world and everyday human experiences.
He describes himself as a technologist who loves nature, a futurist who lives for the present, and an explorer who loves the feeling of home.
He is also usually wearing sneakers when he is supposed to be wearing dress shoes.
Today, Rosenberg lives in Austin and continues to build Little Engine.
Selected Career Highlights
- Matthew Rosenberg is the founder and CEO of Little Engine.
- He previously co-founded Tripnotes, an AI-powered travel planning platform that reached more than one million users in under 60 days and was acquired by Dorsia along with Welcome.
- Before Tripnotes, Rosenberg co-founded Welcome, a technology company focused on discovering and experiencing places, backed by Accel and Lakestar.
- He co-founded Cameo, a collaborative mobile video platform recognized as one of Apple’s Best Apps of the Year and subsequently acquired by Vimeo.
- He co-founded Fast Society, an early mobile group communication platform built using SMS and VOIP technology.
- He founded MRVR and built Whiteboard, an early virtual-reality collaboration prototype involving spatial computing and hand-tracked interaction.
- Across his companies, Rosenberg has raised more than $12 million in venture capital.
- His work has been recognized by Apple and covered by publications including The New York Times, TechCrunch, The Verge, and Esquire.
- He has built products used by millions of people and has had two technology companies acquired.
- His work spans consumer software, product design, mobile communication, video technology, cloud computing, virtual reality, travel technology, generative artificial intelligence, AI agents, and business automation.
Experience
Founder and CEO, Little Engine
An app that gives independent service providers a business number and automates scheduling and payments over text.
VP of Product, Design and Engineering, Dorsia
Joined after Dorsia, a members-only restaurant booking platform backed by Index Ventures, acquired Welcome and Tripnotes. Grew the team to almost 20, set product strategy, launched 30 features and 2 product lines, and integrated Welcome's data and technology.
Co-Founder, Tripnotes
AI travel planner from the same company as Welcome, built on its library of over 16 million places. Over 1 million users in under 60 days. Acquired by Dorsia with Welcome.
Co-Founder, Welcome
Real-time travel recommendations; the company behind Welcome and Tripnotes was backed by Accel and Lakestar. Featured by The New York Times, Apple, TechCrunch, Uncrate and Product Hunt. Acquired by Dorsia.
Founder, MRVR
A case study in enterprise VR: designed and prototyped Whiteboard, a multiplayer virtual whiteboard for remote teams.
VP, Cameo, Vimeo
Led product and the 14-person Cameo team after the acquisition, through the launch of Cameo 2.0 in summer 2015.
Co-Founder and CEO, Cameo
Cloud-rendered mobile video editor. Apple Editors' Choice and Best of 2013, over 2 million downloads, acquired by Vimeo.
Co-Founder, Fast Society
First-wave group texting app with location sharing, instant conference calls and media sharing. Featured by The New York Times, TechCrunch and CNN.
Co-Founder, Edopter
Pop culture trend engine that rewarded influencers for spotting trends early. Featured by Esquire, The New York Observer, TechCrunch, Adweek and Mashable.
Advertising sales, Yahoo!
Sold and managed advertising across the Yahoo! network.
Education
Stanford Graduate School of Business
American University, Kogod School of Business