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Justin Siegel

Founding Venture Partner at NextGen Angels

Austin, Texas

Overview 

Justin Siegel is an accomplished entrepreneur and angel investor based in Austin, Texas, known for co-founding and leading JNJ Mobile (MocoSpace.com) as CEO, as well as serving as a Founding Venture Partner at NextGen Angels and a Co-owner at NRG Esports. His career highlights include successfully launching and scaling mobile advertising platforms, investing in various startups at different stages, and contributing as a board member to organizations like CASA of Travis County. Siegel has an impressive track record of founding and leading successful ventures, such as JNJ Mobile, while also making strategic investments in startups like Mustard and Kinvey, showcasing his expertise in mobile advertising and entrepreneurship. His diverse roles, from CEO to board member, demonstrate his ability to drive business growth, foster strategic partnerships, and provide leadership across various industries.

Work Experience 

  • CEO & Co-founder

    2005 - Current

    JNJ Mobile is the parent company of MocoSpace, the leading mobile social game community in North America with 500,000+ members a day making friends, playing games, chatting and more. MocoSpace is one of the top ranked and top 10 grossing social apps on Android. Since founding the company, I've raised over $10 million from leading venture capital firms Softbank and General Catalyst, achieved profitability, and grown the team to 50+ employees.

MocoSpace is a mobile gaming community for playing games, making friends, and staying connected.

Raised $10,500,000.00 from SoftBank Capital.

  • Co-owner

    2016

    Professional eSports Organization - http://nrg.gg/

NRG eSports is looking to set precedence in the industry of eSports.

  • Founding Venture Partner

    2015

NextGen Venture Partners invests in seed-stage companies with the participation of their venture partners.

  • Investor, Board Member, & Advisor

    2011

    Investor and advisor to several startups including: Slack (ipo), Pinterest (ipo), Reddit, Cloud66, Aceable, Data.World, Ojo, Thumb (sold), Kinvey(sold), Tala (formerly Inventure), Adelphic(sold), Hangar (sold), Penpals, Media Armor (sold), Ubersense (sold), WeHostels(sold), Yonder, Tastebud(sold), MyTennisLessons.com, Notabli(sold), Game Theory, Attaq Online, Buzznog, Krono.ai, and Aquifer Motion.

  • Partner

    2014

Capital Factory is a venture capital firm and an accelerator that seeks to invest in seed-stage, early-stage, and later-stage companies.

  • Mentor

    2011

    Work with amazing early stage entrepreneurs from companies including CheckIO, The Tap Lab, UberSense, and Rallyware.

Techstars is an accelerator that provides pre-seed investment and mentoring for various early stage startups.

Raised $108,919,999.00 from SVB Financial Group and Foundry Group.

  • Board Member

    2016 - 2021

    CASA speaks up for children who've been abused or neglected by empowering our community to volunteer as advocates for their best interests. https://www.casatravis.org/

CASA of Travis County envisions quality advocacy, a safe home, and a promising future for every child in Travis County.

  • VP of Publishing

    2004 - 2005

    At SkyZone, I was responsible for the global publishing operation, which included the licensing of global brands, creation and execution of product roadmap, oversight and management of all studio and brand relations, public relations, and product marketing. Implemented a strategy of expanding and diversifying SkyZone’s product mix, brand portfolio, and development resources. Achievements include: Duke Nukem 3D - Gamespot Most Anticipated Game of 2005; Brine Lacrosse 4/5 WGWorld; The Crocodile Hunter - Gamespot 7.4, Nomination for Blackberry Game of the Year. Key products include The Crocodile Hunter: Operation Rescue, Encyclopedia Britannica, Merriam Webster Word Search & Crossword, Duke Nukem Mobile, Brine Lacrosse, Betty Boop Crush, Rocky Boxing, Smart Money Mobile, Pink Panther Jewel Heist, and Donovan McNabb Street Action.

  • CEO & Co-founder

    2001 - 2004

    At JSmart, I led the growth of the company from an early pioneer in the mobile game industry into one of the leading developers and publishers in North America. Specific roles included business development, product, sales, and marketing. Built and managed relationships with leading wireless operators, handset manufacturers, brands, and publishers around the world. In 2004, I oversaw the sale of the company to SK USA, a subsidiary of the SK Group.

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