About Us

OnePortal, is a growth marketing application that combines digital advertising with human expertise. We help companies move their digital marketing beyond Facebook and other social media platforms.


Our multi-channel solution leverages proprietary technology to make it easier for companies to expand their presence on the Open Internet.


The application provides access to premium inventory, with advanced audience targeting capabilities, operating as a flexible extension of your team and partners with clients to deliver results.

Leadership Team

Paxton Song CEO


Paxton has a passion for building companies and for e-commerce, marketplaces, and AdTech. He leads OnePortal with over 20 years of experience in the industry. A serial entrepreneur, Paxton also founded, Veruta, the first US-based company to offer personalized remarketing where he also was awarded a patent for the tracking and monetization of display ads.


Paxton is a former professional golfer and holds a BSBA in Finance from Boston University’s Questrom School of Business, and an MSIS/MBA from the same school.

Steve Wharton Co-Founder, VP Strategic Partnerships


Steve is an AdTech industry veteran with more than 15 years of industry experience. He is a Pandora Radio alumnus where he worked with the performance advertising team. Steve has a penchant for e-commerce and starting entrepreneurial endeavors. He is also Founder and President of SAW Ventures LLC, a holding company for various e-commerce companies, which includes DadThat.com, an e-commerce company that supports Dads as positive role models for their kids. Pre-COVID, he was a regular panelist and speaker for events like Brand Week, Cannes Lions, SXSW, and CES.


At OnePortal Steve leads our Strategic Partnership team in building our company initiatives, partnership development and overall business expansion. Away from work, Steve is a husband, father of three children, and is also a part-time SAG actor and failed stand-up comedian.

Dave Lienemann Co-Founder, VP Client Strategy


Dave has worked in the advertising industry for over 15 years. Beginning on the publishing (SSP) side then to the demand (DSP) side through various AdTech companies. Working in AdOps, Account Manager and Director roles he has a broad knowledge of the digital marketing process. He is also a Partner and Principal Trader at D&D Investments, a financial investment company.


At OnePortal, Dave oversees the AdOps team and develops the tailored campaign strategy for clients. Outside of work he is deeply involved in the San Francisco music and art scene, as well as, nonprofit work helping inner-city youth around the Bay Area.

Zacharie Nicolet Lead AdOps & Client Strategy Manager


Zach works directly with each client, from initial integration and campaign management, to in-depth reporting and account strategy. Having spent his post-graduate years playing golf at a professional level, he is an athlete at heart, bringing that same level of focus and passion to the field of AdOps.


With a B.A. in Marketing from California State University, Fullerton, Zach has worked with FiT, Ultimate Ears and Logitech. He spends his free time riding motorcycles, playing golf and traveling with his girlfriend.