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Happy to have you here! A warm welcome to our new joiners

We’ve got some fantastic news to round off the year. Join us in welcoming our newest sales team members - David, Lee, and Ryan!

David Walker

David joins Gravity with over 30 years of experience building global sales and service delivery organizations at high-growth SaaS companies, focusing on Supply Chain and Information Security.

Formerly the first Chief Revenue Officer at both FourKites and project44, David’s key responsibilities included establishing the GTM strategy and building and deploying the worldwide revenue team with overall corporate revenue responsibility.

David also held executive leadership positions at Manugistics (Blue Yonder), VeriSign, Arrowstream, SolidCore Systems, and IBM. He has a stellar track record of growing technology companies through acquisitions and IPO.


Lee Vance

Lee Vance is a successful business development professional with a passion for growth and innovation through teams and individuals. An avid learner, Lee sees an opportunity when others cannot.

With over 23 years of Business Development experience in Global Logistics and Supply Chain, Lee has delivered transformative outcomes for small businesses and Fortune 100 companies by growing their businesses.

Taking on a client-centric approach, Lee has found success in revenue generation, retrenchment strategy, new ventures, and overall strategic development both with his clients and within his organizations. His experiences in the supply chain, global e-commerce, and Saas environments help organizations realize the true impact of strategy advancement on all organization's core functions. To Lee, adding value is more than just growing revenue - it's ensuring sustained revenue success.


Ryan Obzud

Recently graduating from Elon University, Ryan brings a wealth of entrepreneurial experience, having started several businesses since he was 13 years old. Ryan is currently into his 3rd week with Gravity Supply Chain, and his role focuses on driving sales growth by actively sourcing new opportunities for the business.

Before joining Gravity, Ryan has built many strong relationships with doctors and patients working in pharmaceutical sales. He is especially looking forward to gaining greater exposure across the US market and creating a meaningful impact in the industry.

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