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Eric Siu

CEO · Podcaster · Los Angeles

Eric Siu American entrepreneur and digital marketing executive. Acquired failing SEO agency Single Grain for $2 in 2014 and transformed it into a seven-figure marketing firm serving Fortune 500 clients including Amazon, Uber, and Salesforce.

Based in Los AngelesLast reviewed September 2026
Eric Siu
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Overview

Eric Siu is an American entrepreneur and digital marketing executive who serves as Chairman and CEO of Single Grain, a Los Angeles-based marketing agency.[5] In 2014, Siu acquired the failing SEO agency for $2 and transformed it into a seven-figure business serving Fortune 500 clients including Amazon, Uber, and Salesforce.[5][7]

Siu hosts two podcasts that have generated over 100 million combined downloads: "Marketing School" and "Leveling Up."[12][9] He founded content intelligence software company ClickFlow in 2018 and commands speaking fees of $30,000-$50,000 for keynote presentations.[6][8]

Before acquiring Single Grain, Siu served as Head of Marketing at online education startup Treehouse, where he led growth initiatives that increased monthly revenue by 98%.[7] He holds a Bachelor of Arts in Economics and History from UC San Diego and completed MIT's Entrepreneur's Organization Entrepreneurial Master's Program.[6]

Early life and education

Siu was born in June 1986 and graduated from Arcadia High School in 2004.[6] He earned a Bachelor of Arts degree in Economics and History from the University of California, San Diego.[6]

From 2019 to 2021, Siu completed the Entrepreneur's Organization Entrepreneurial Master's Program at MIT, focusing on entrepreneurship and business leadership.[6] Before entering the marketing industry, he was a competitive eSports and poker player.[7]

Career

Break Media (2011–2012)

Siu began his marketing career at Break Media, a digital entertainment company.[7] He was terminated from the company in 2012 at age 25 for operating side business activities while employed.[7] Reflecting on the experience, Siu said the firing felt liberating rather than devastating.[7]

Instead of crying about it, instead of doing what people do nowadays, it's like, oh, I feel free.Heights Platform · 2023

Treehouse (2013–2014)

Following his departure from Break Media, Siu joined Treehouse as Head of Marketing.[7] At the online education startup, he led growth initiatives that resulted in a 98% increase in monthly revenue during his tenure.[7] His success at Treehouse positioned him for his next venture in acquiring and transforming Single Grain.[7]

Single Grain (2014–present)

In 2014, Siu acquired Single Grain, a struggling SEO agency, for $2.[5][7] The company was founded in 2009 but was failing when Siu took control.[5] Under his leadership, Single Grain transformed into a full-service digital marketing agency specializing in SEO, paid media, content marketing, and conversion rate optimization.[5]

The agency now employs approximately 50 people and serves Fortune 500 clients including Amazon, Uber, Salesforce, and Airbnb.[5][11] Single Grain achieved Great Place To Work certification in 2023 with a 93% employee satisfaction rating.[3]

Why don't I try it? And worst case scenario, it's gonna be an MBA for me. Best case scenario, there's unlimited upside.Heights Platform · 2023

ClickFlow (2018–present)

In 2018, Siu founded ClickFlow, a content intelligence software platform designed for SEO experimentation and optimization.[6] The company provides tools for content creators and marketers to analyze and improve their search engine performance.[6]

Media and speaking

Siu hosts two podcasts that have generated over 100 million combined downloads.[12][9] "Marketing School" focuses on daily marketing tips and strategies, while "Leveling Up" features interviews with entrepreneurs and business leaders.[6][12]

As a keynote speaker, Siu commands fees ranging from $30,000 to $50,000 for presentations on digital marketing, entrepreneurship, and business growth.[8] He has spoken at HubSpot's INBOUND conference and other industry events.[2]

Public statements

The podcast did the selling for us

On content marketing strategy — Simon Owens Substack, 2023[9]

Done is better than perfect

On business execution philosophy — Intercom, 2023[4]

References

  1. Eric Siu | Entrepreneur — Entrepreneur
  2. Eric Siu | UNBOUND - HubSpot's Marketing & Sales Event — HubSpot
  3. Working at Single Grain | Great Place To Work® — Great Place To Work
  4. Single Grain's Eric Siu on using content to grow your business — Intercom
  5. About Us - Single Grain — Single Grain
  6. About Eric Siu — Leveling Up
  7. #72: How Eric Siu Saved a Failing Company and Took It to Success — Heights Platform
  8. Eric Siu | Keynote Speaker | AAE Speakers Bureau — AAE Speakers Bureau
  9. How Eric Siu leveraged his hugely popular podcasts to grow his ad agency — Simon Owens Substack
  10. SPI 807: The Future of Online Business and Digital Marketing with Eric Siu — Smart Passive Income
  11. Single Grain Reviews, Pricing & Features (2026) | SalesHive — SalesHive
  12. Leveling Up with Eric Siu - YouTube — YouTube
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FR-2026-0037·Updated September 30, 2026