The Brains Behind the Data
Company Timeline
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2010
Complementics has its roots in a company called Growth Systems. Founded in 2010 Growth Systems was launched to focus on digital advertising and big data.
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2013
Growth Systems founder, Walter Harrison, met with eContext in 2013.
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2015
Soon, the two companies realized that mobile data and taxonomy could, well, “complement” each other, so eContext acquired the company and relaunched it in 2015 as Complementics.
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2017
Complementics now manages data from more than 500M devices.
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2018
Complementics manages data from more than 1B devices.
Complementics Team
Walter has extensive experience with online and mobile advertising exchanges, real-time bidding, sell and demand-side platforms, data management platforms and retargeting technology.
During his free time, Walter and his family are likely hiking in some remote area, nowhere to be found.
Tom has worked in the digital media business since 2000 and brings to Complementics a deep understanding of its complex ecosystem. He has worked in sales and business development capacities for publicly traded companies such as Switchboard and Infospace as well as start-ups such as Datonics and SigSentinel. He has a strong track record of creating high value partnerships that generate long term mutual success.
An outdoorsman during his free time and father of three sons, Tom is also a member of the board of directors for the Bainbridge Island Little League and at the Kitsap Public Facilities District.


