Zach WeismannOpinion Contributor@MAGtheCollectZach Weismann is the founder and CEO of the MAG Impact Collective. For over years, Zach has worked with large brands, NGOs, Fortune 500 companies and startups on key issues such as sustainability, corporate social responsibility, technology adoption and innovation. Voice Tips to Help Advertisers Survive and Thrive in the Gig Economy It's throwing traditional advertising for a loop.