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Jun means truth.

The simple, honest way to get millions of people to watch videos or visit web pages across screens.


Jun Group delivers gorgeous video and rich media experiences to tens of millions of people. Our mobile SDK technology connects you directly to your customers across devices.

The world’s best­-known advertisers trust Jun Group because everything we do is viewable, brand-­safe, and transparent.

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The world’s leading web publishers rely on Jun Group to deliver tens of millions of opt-­in, US­-based visitors to any page across devices.

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There’s a joy that comes from building something great. We’re on the front lines of the most profound changes in the history of media, and every day is challenging, stimulating, fascinating, maddening, and fun. Working here isn’t easy, and we wouldn’t have it any other way. Meet the Founders

Mitchell Reichgut


Mitchell Reichgut is the CEO and co-founder of Jun Group. Prior to founding Jun Group in 2005, Mitchell led Bates Interactive, the online unit of Bates Worldwide Advertising, now owned by WPP. As General Manager/Creative Director, Mitchell helped grow Bates Interactive into a 70-person integrated unit, with clients such as EDS, Moet & Chandon, and Warner-Lambert. Before joining Bates, Mitchell served as Creative Director at Think New Ideas.

Mitchell began his career as an Art Director at Grey Advertising where he created print and television advertisements for clients. Throughout his career, he’s worked with major brands across industries, including Procter & Gamble, Parker Brothers, Budweiser, Rockport, Reebok, and Sony.

Corey Weiner

COO & President

Corey is one of Jun Group’s founders. He serves as Chief Operating Officer, overseeing product development, publisher strategy, finance, business development, and operations. He is also the Chief Executive Officer of Jun Group’s mobile platform subsidiary HyprMX.

Prior to founding Jun Group, Corey consulted for SONY USA and the United States government. Corey holds an MBA from the Wharton School of Business at the University of Pennsylvania.


Imagine walking into a room where every person wants to do as well as you. The commitment is unspoken, the work is outstanding, and the brains and talent are self-evident. Sound like your kind of place? Drop us a line.

Departments and Available Positions

We have diverse backgrounds and a wide array of skills, yet we share common values and a singular vision to make great digital advertising.


Check out the latest press, news, and insights from the Jun Group team.

Advantage Solutions Acquires Jun Group
We could not be more excited to share the news of our acquisition by Advantage Solutions, a multi-billion-dollar leader in technology-enabled sales and marketing solutions.
Find out more here. →


We’re based in New York, and we have offices in Chicago and the Greater Los Angeles area. Drop us a line, we’d love to hear from you.