About us
Seattle Angel is a group of angel investors and entrepreneurs working to bring more education and transparency to the early-stage capital process. Join us for educational and networking events designed for you to connect with, and learn, from angels and entrepreneurs in the community.
Joining our Seattle_Angel Meetup keeps you in the loop for our communications and allows you to register for workshops/events.
These education sessions sometimes are used to prepare for learning about or executing on a first angel investment -- either accepting one for your company or investing in one as an early investor.
We run a Learn-By-Doing entrepreneur/investor due-diligence program event that matches companies and investors, called the Seattle Angel Conference. More info about this at
www.seattleangelconference.com
We put recordings of the workshops at the YouTube Channel -
https://youtube.com/@seattleangelconference
If you would like to register as a company for the Seattle Angel Conference:
https://gust.com/organizations/seattle-angel-conference/public_profile
If you are interested in engaging as an Angel Investor, please contact us and we will connect you to resources in the ecosystem
This is a program of Mossy Ventures.
Upcoming events
6
- Network event

Why Investors Lean In
·OnlineOnline10 attendees from 11 groupsHow founders build credibility, momentum, and investor confidence before fundraising conversations begin. | | Explore how founders build investor confidence through communication, preparation, traction, positioning, and execution readiness. This session focuses on the signals that create momentum during early fundraising conversations and how founders can strengthen credibility as SAC 30 applications approach.
About the Organizer –
Seattle Angel Conference is a program for growing the startup and angel investor ecosystems in the greater Seattle area.SIA (formerly startup investor accelerator) UK is a dual-track program for startups and investors. Startups can receive €100–200K in funding through our investment rounds. Investors learn by doing—developing their angel investing skills in real deals.
Next opportunities
Stay in the loop by visiting our website and following us on Linkedin.- Startup Express Interest here - You could be one of the next startups selected for our funding competition.
3 attendees from this group - Network event

Building Conviction in Early-Stage Deals
·OnlineOnline5 attendees from 11 groupsHow investors develop confidence while evaluating uncertainty, risk, and opportunity. | | An interactive discussion about how investors build conviction in early-stage opportunities despite incomplete information and inherent risk. Explore how traction, founder behavior, market understanding, timing, and execution influence investor confidence across industries, stages, and investment perspectives.
About the Organizer –
Seattle Angel Conference is a program for growing the startup and angel investor ecosystems in the greater Seattle area.SIA (formerly startup investor accelerator) UK is a dual-track program for startups and investors. Startups can receive €100–200K in funding through our investment rounds. Investors learn by doing—developing their angel investing skills in real deals.
Next opportunities
Stay in the loop by visiting our website and following us on Linkedin.- Startup Express Interest here - You could be one of the next startups selected for our funding competition.
3 attendees from this group - Network event
![[ONLINE] Informative session for Startups - TAAC 10 Pitch Competition](https://secure.meetupstatic.com/photos/event/6/6/b/1/highres_534926289.jpeg)
[ONLINE] Informative session for Startups - TAAC 10 Pitch Competition
·OnlineOnline3 attendees from 11 groupsHave questions before applying or moving forward? Join our live info session for startups.
Details
This is an open Q&A designed for founders who want to better understand the pitch competition, who it is for, and what to expect. Whether you are wondering about eligibility, investor fit, timelines, pitch format, or how the process works, this is a good space to ask directly.
We will cover:- what the program is and who it is for
- how the application and selection process works
- what startups can expect during the program
- common questions from founders
- live Q&A
Come with your questions and we’ll answer them live.
About the organizer – SIA Angel Hub (previously SIA - Startup Investor Accelerator)
SIA is an angel investor hub designed to help more people become active participants in innovation through angel investing, entrepreneurship, and meaningful ecosystem connections. Through our events, community, and programs such as TAAC (Trans-Atlantic Angel Investing Cohort), we bring together global founders, aspiring and experienced investors, operators, and ecosystem leaders around practical learning, real opportunities, and long-term relationships.
For investors, TAAC offers a hands-on angel investing experience built around real startup evaluation, due diligence, and collaborative investment decision-making. Express your Interest here
For startups, TAAC provides visibility, investor access, and the opportunity to compete for investment through our funding and investor programs. Express your Interest here
Stay in the loop by visiting our website and following us on LinkedIn.2 attendees from this group - Network event
![[Online] Angel Investing 101: Learn, Invest, Connect](https://secure.meetupstatic.com/photos/event/6/6/9/a/highres_534926266.jpeg)
[Online] Angel Investing 101: Learn, Invest, Connect
·OnlineOnline13 attendees from 11 groupsOverview
The Startup Investor Accelerator (SIA) Process is a 12-week program of "learning by doing." The goal is to help everyone move forward.
Curious about Angel Investing? Join Us for an Introduction Session to this topic
Have you ever wondered how startup investors find, evaluate, and invest in promising companies?
Whether you're actively considering angel investing or simply curious about how the startup investment ecosystem works, this session is designed to give you an accessible introduction to the world of angel investing. Who is it for? How to get started? What to have in mind? …and more.
During this session, we'll also introduce the Transatlantic Angel Conference (TAAC)—our flagship hands-on investor training program that helps aspiring and experienced investors learn by doing. Participants work alongside a diverse cohort of investors from Europe and the US, reviewing real startups, conducting due diligence, hearing founder pitches, and ultimately making investment decisions together.
In this session, we'll cover:- What angel investing is and how the ecosystem works
- An introduction to the Transatlantic Angel Conference (TAAC)
- How the learning-by-doing model helps investors gain real-world experience
- Yelmer Wismer's experience as a TAAC participant and investor
- Who the program is designed for and whether it might be a fit for you
- Open Q&A
No prior investing experience is required, just curiosity and an interest in learning more about startups, innovation, and angel investing.
About the organizer – SIA Angel Hub (previously SIA - Startup Investor Accelerator)SIA is an angel investor hub designed to help more people become active participants in innovation through angel investing, entrepreneurship, and meaningful ecosystem connections. Through our events, community, and programs such as TAAC (Trans-Atlantic Angel Investing Cohort), we bring together global founders, aspiring and experienced investors, operators, and ecosystem leaders around practical learning, real opportunities, and long term relationships.
For investors, TAAC offers a hands-on angel investing experience built around real startup evaluation, due diligence, and collaborative investment decision-making. Express your Interest here
For startups, TAAC provides visibility, investor access, and the opportunity to compete for investment through our funding and investor programs. Express your Interest here2 attendees from this group
Past events
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