Headquartered in San Francisco, operating globally.


End-to-end support for blockchain & AI start-ups, corporates, and STO fundraising.


WHere STORY Meets Product

  • Early-Stage Assessment

  • Whitepaper

  • Pitch Deck

  • Branding

  • Landing Page

  • Content Marketing & Press

  • Product Design

  • Web & Mobile Apps

  • Blockchain/DLT

  • AI & Machine Learning

  • Data Visualizations


Legal, financial, and investor relationship services are available through our partners. Sea Foam is not a broker dealer.



Sea Foam is now offering full Project Management & Team Building services for tech start-up & corporates.

Find out more:


Sea Foam has helped Blockchain & AI companies raise between $1-50M.








Rhiannon Payne

Founder & CEO
San Francisco

Rhiannon Payne launched Sea Foam in 2017 as an independent whitepaper writer. By leveraging relationships with her network of talented friends and colleagues, who she has collaborated with for many years, she quickly grew the Sea Foam team to nearly 20 people, encompassing a wide range of services from editorial to engineering. Rhiannon has a decade of experience across fintech marketing, product development, and journalism. She has both worked for and co-founded technology companies across LA, SF, Tokyo, and Dublin, with previous clients including The Ritz-Carlton and Grand Hyatt Tokyo.

Rhiannon’s LinkedIn →


Justin Bowen

Partner & CTO
San Francisco

Justin Bowen is a technology visionary with over a decade of experience developing architecture for successful start-ups, contributing to $100m+ in fundraising seed through series D. He has worked with international teams in San Francisco, Tokyo, and Dublin, building platforms for high-volume data processing for location-based imagery and video, as well as applying machine learning and deploying AI services in the agriculture technology industry. Justin is also CEO of, a cannabis technology company.

Justin’s LinkedIn →


Tom Bowen

San Francisco

Tom Bowen has worked with and experienced revolutionary changes in computer technologies. From paper and pencil accounting to computerized systems, standalone desktops to local area networks, modems to internet, dot com boom to bust, big data, NoSQL, SaaS, mobile, and now cryptocurrency and blockchain technologies. He is excited about blockchain technology and crypto and looks forward to the journey ahead.

Tom’s LinkedIn →


David Luhman

UX Director
San Francisco

David Luhman has led large creative and UX teams across the Bay Area, including as the second design hire at MyFitnessPal, with a successful exit when it was acquired by Under Armour for $475M. He now works with various VC portfolios to bring early stage startups to market and architect scalable design strategies, with a focus on the blockchain industry.

David’s LinkedIn →


Chloe Diamond

Director of Media

Currently based in London, Chloe has spent the last decade working on content, copy and, occasionally, graphics for a variety of businesses before starting work on her own VR art application in early 2017. Seduced by blockchain in 2014, she enjoys the relentless creativity seen within the space and the potential it has to solve pressing global issues. When she's not writing whitepapers or leading new media strategies, Chloe is an avid traveler and keen list-maker.

Chloe’s LinkedIn →


Bishal Ghimire

Director of Engineering

Bishal has 11 years of software development experience and 8 years working in mobile app development, with a focus on user experience. Bishal is leading a robust engineering team focused on developing web, Native iOS & Android mobile apps, smart contracts, and private blockchain platforms. Bishal has 6 years of experience working alongside CTO Justin Bowen at companies such as Cainthus, and the two have developed seamless processes to meet client goals.

Bishal’s LinkedIn →

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Fabiola Reina

Creative Director

Fabiola has 11+ years of repeated success in increasing the value of brands through award-winning strategic design and creative content marketing across many different medias. Companies she has partnered with include Intercontinental Hotel Group, Microsoft, Kettle Brand, the Seattle Humane Society, and more.

Fabiola’s LinkedIn →

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Marinda Valenti

Chief Editor
New York

With experience working for top publishing houses including Penguin Random House, HarperCollins, Scholastic Inc., and W. W. Norton & Co., as well as a master's in publishing from NYU, Marinda has a keenly cultivated and highly professional ability to clean up the messiest of copy. As a blockchain enthusiast and experienced technical writer, Marinda works with whitepapers and content marketing efforts at Sea Foam.

Marinda’s LinkedIn →

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Mari Rogers

Lead Content Creator

After receiving a BA in Creative Writing from SUNY Geneseo, Mari cut her editorial teeth at an SEO marketing agency.In Munich she worked for, one of the world’s leading online luxury retailers, writing and editing results-oriented digital copy for a global audience of millions. An interest in disruptive technologies drew Mari to cryptocurrency and the blockchain industry, and she can't wait for what's in store.

Mari’s LinkedIn →

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Wendy Clack

PR & Content Manager
United Kingdom

Wendy Clack is a freelance fintech writer who specializes in writing interesting blockchain and cryptocurrency content. She has a decade of experience in PR and corporate communications, and has a master’s degree in journalism. Previous clients include LG and the British Medical Association.

Wendy’s LinkedIn →

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Sara Luckey

Content Manager

Sara is an I.T. specialist with over a decade of experience in SDLC/STLC management, improvement, and implementation with a proven track record working with companies ranging from smaller start-ups to industry world-leaders. Sara is able to adeptly combine technical application with creative thinking in order to best meet the goals of her clients.

Sara’s LinkedIn →

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Jeannette Wisniewski

Content Creator
San Francisco

Jeannette has worked as a Senior Writer for early Internet Data Center (IDC) Exodus Communications, valued at 37 billion in 2000 and acquired by Cable & Wireless. Jeannette wrote both internal and external communication for the entire range of services. Jeannette has experience writing about emerging technologies that include blockchain, programmatic marketing, and AI.

Jeannette’s LinkedIn →

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Shota Samkharadze

European Business Development

Shota has spent over a decade working in various high-level government positions before moving towards the technology sector. Before this role, Shota was Business Developer for Wizio, who provide AR/VR services to real estate developers and architects, and Business Analyst for HCA Healthcare UK, in which he is focused on the security side of technology application on a corporate level. Shota holds degrees in Defence Studies from King's College London and in Law from the Technical University of Tbilisi.

Shota’s LinkedIn →

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Alina Shakya

Front-End Developer

Alina is an experienced Software Engineer specializing in back-end and front-end technologies. While living in Nepal, Alina worked with software companies based in the US and Australia and also worked on various freelancing projects. She now lives in Dublin, Ireland. At Sea Foam she has been engaged in data curation and annotation work and is currently working as a front-end developer.

Alina’s LinkedIn →

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Lyra Almoite

Project Manager

With years of experience in management, marketing, and events both online and offline, Lyra has worked directly for company presidents, CEOs, and business owners, managing teams of marketers, virtual assistants, writers, designers and developers. She has a heart for adventure, traveling, and good food and is often found in South East Asian cities.

Lyra’s LinkedIn →

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Patrick Johnson

Product Manager
San Francisco

Patrick Johnson is a proven project, product manager, and QA specialist with over a decade of experience working for start-ups across the Bay Area. He has worked closely with Sea Foam’s CTO, UX Director, and Director of Engineering for upwards of 6 years at companies including Banjo and Cainthus, and has perfectly dialed in product management processes to meet client needs.

Patrick’s LinkedIn →

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Lauren Herasimtschuk

Web Designer

Over the past decade Lauren has experienced all sides of the creative process. Both in front of the lens as a model and behind the scenes crafting Digital Creative and Communications for a range of boutique fashion, jewelry, and lifestyle brands.


 Speaking Engagements


United Nations WSIS Forum

Rhiannon Payne

(Geneva, April 11th 2019)


Gyal’s Network events

Rhiannon Payne

(San Francisco, ongoing)


Rhiannon Payne

(Bristol, UK, June 4-6 2019)


European Women in Tech

Rhiannon Payne

(Amsterdam, Nov. 28-29 2018)

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Cannabiz Summit World

Justin Bowen

(Malta, November 4-5 2019)


To have Rhiannon Payne, Justin Bowen, or another member of the Sea Foam team speak at your event, contact


Our team has worked with





Upgrading Real Estate: Blockchain, Smart Contracts & Tokenization is the Future



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