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Zembula CTO Carl-Einar Thorner and CEO Robert Haydock. Photo via Zembula.

Zembula has raised another round of investment to help marketers acquire more email addresses.

The Portland startup just closed a $2.9 million investment round from existing investors, including Portland Seed Fund and veteran angel investor Jason Calacanis. Part of the round included a conversion of $1.6 million in convertible debt.

Founded in 2013, Zembula helps 280 customers like Staples and Best Western produce and deploy interactive marketing campaigns across multiple digital channels.

Traditionally, many companies will hire brand agencies to develop these campaigns, but Zembula wants to give in-house marketers the ability to come up with their own creations without coding knowledge while also being able to access analytics.

The 8-person company will use the fresh funding to launch a new version of its product this September. It is led by CEO Robert Haydock, formerly CEO of Scratch-it, the precursor to Zembula. Carl-Einar Thorner is the company’s co-founder and CTO.

Zembula is one of several marketing startups in the Pacific Northwest — AmperityAmpleroLytics, and Usermind are four others.

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