Mucker Capital’s founders bring decades of operating experience and a deep network to help enable mission-driven entrepreneurs build scalable and defensible Internet software, services and media companies.


Erik Rannala, Co-Founder & Managing Partner

Prior to forming Mucker Capital, Erik was most recently at Harrison Metal Capital where he helped lead one of the most successful seed-stage venture capital firms in Silicon Valley. Since 2008, Harrison Metal has invested in over 50 companies, including Aardvark (GOOG), DocVerse (GOOG), Heroku (CRM), Manymoon (CRM), MixerLab (Twitter) and ZipZapPlay (ERTS).

Before Harrison Metal, Erik was most recently vice president of product management and strategy at TripAdvisor, the largest travel community site on the Web. In that role, he led product strategy and development globally for TripAdvisor sites in the US, UK, France, Italy, Germany and Spain, as well distributed applications and syndicated content on partner sites like Facebook.

Prior to TripAdvisor, Erik spent over four years at eBay, where he held a variety of positions, including leadership of eBay’s premium features business, which grew during his tenure from $124 million in revenue in 2002 to $410 million in 2005, significantly outpacing overall eBay revenue and listings growth.

Previously, Erik held leadership roles at, where he was the online sporting goods retailer’s first marketing employee, and at Accenture, where he advised Fortune 500 retail, communications, and consumer products clients on strategy, operations and technology engagements. He was also an early member of Accenture’s first practice group dedicated to Internet strategy and development.

Erik earlier served at the Domestic Policy Council in the White House, where he worked on issues such as equal employment opportunity and Native American affairs. Erik holds a BS from the University of Delaware and an MBA from Duke University.

Erik can be reached at erik at muckercapital dot com.

Erik Weber

Erik Weber, Platform Manager

Erik Weber, better known as simply "Weber" around these parts, is the Platform Manager at Mucker.

Previously, he led the content marketing team at ZEFR, creating one of the leading resources for digital video insights. He also participated in the early and effective use of digital marketing as part of the new media team for Barack Obama's 2008 presidential campaign at the Chicago headquarters. After the campaign, Weber got his JD from DePaul College of Law, where he obtained a certificate in intellectual property.

Weber can be reached at weber at muckercapital dot com.


Peter Brack, Venture Advisor

Peter spent many years in Asia, where he was CEO and co-founder of two media companies (Redgate Media Group and One Media Group) which he took public on the Hong Kong Stock Exchange. Prior to his experience as an entrepreneur, Peter was a senior executive at Time Warner, where he held roles such as Senior Vice President of Time Inc. in Asia, and Vice President of Turner Broadcasting System in Asia.

Peter can be reached at peter at muckercapital dot com.


William Hsu, Co-Founder & Managing Partner

William has spent his career as both an entrepreneur as well as an executive of a Fortune 100 company.

Prior to forming Mucker Capital, William was the SVP and Chief Product Officer of AT&T Interactive where he owned P/L, Product Management, Product Marketing, and UX responsibilities for all digital advertising initiatives for greater AT&T. In 3 years at AT&T Interactive, he doubled revenue to over $1B and helped established AT&T Interactive as the 9th largest digital media company (ahead of Facebook), the largest digital local advertising company (ahead of Groupon), and the 2nd largest mobile advertising company (behind Google) in the U.S.

Almost 13 years ago, as a 23-year old, he was the founder and EVP of Product Development for BuildPoint – the leader in providing bidding management & marketplace services to the commercial construction industry. William helped the company grow to over 250 employees and raised over $50M in venture capital. The company was acquired in 2004.

In between, William has led product teams at eBay, Green Dot (GDOT), and Spot Runner.

William has a BS in Industrial Engineering from the Terman School of Engineering at Stanford University and a MBA from the Wharton School of University of Pennsylvania.

William can be reached at william at muckercapital dot com.