615 Leverage + Strategy stacked logo



That’s how our team’s journey started - the simple quest of a few like-minded individuals to figure out how to craft artist narratives through live events, partnerships, and branded content.

615 Leverage + Strategy is a boutique marketing company focused on magnifying artists and brands by tapping into our diverse and rapidly expanding community of partners to form strategic marketing alliances. From strategy and idea generation, to program execution, our flawless service and best in class relationships will bring any concept to reality, while providing ROI based on each client's goals.

With our vast experience in marketing & media strategy, artist relations, brand integration, event production & activation, contract negotiation, and project management, we are a one-stop shop for creating and executing unique marketing programs.

Red Bull and Beach Whiskey featured on the bar at the annual Big Loud Parking Lot PartySolo Cup activation at Pilgrimage Music & Cultural Festival 2019Kip Moore on stage at the Bud Light Dive Bar Tour615 Leverage + Strategy stacked logoRed Bull and Beach Whiskey featured on the bar at the annual Big Loud Parking Lot Party


We understand the importance of brand identity, so we provide a variety of marketing solutions that help talent cultivate and elevate their brand, while creating a meaningful dialogue with fans.
Whether it's consultative brainstorming or full-service campaign management, we will work with your in-house team to build and execute your strategic marketing program.
Our reputations have been built on executing some of the biggest events and activations in music. We will work with you to identify your project needs, then build a custom live or virtual event solution.


John Zarling
Co-Founder / Partner
Jackie Campbell
Co-Founder / Partner
Marketing Strategist, Project Manager
Project Manager

Since its launch in 2019, John Zarling and Jackie Campbell’s boutique Nashville-based marketing firm, 615 Leverage + Strategy, has delivered best-in-class-results for a distinguished client roster that includes record labels, artists, management companies, promoters, festivals, non-profits, estates, venues and select brands. Designed to function as a full-service extension to artist and label marketing teams, as the industry shifted towards consumption, Zarling & Campbell saw first-hand how crucial converging multiple marketing pillars still was to build meaningful careers.

Proud recipients of both an Emmy Award & a Telly Award for content production, and a Clio Award for marketing, the team at 615 Leverage + Strategy knows how to hustle, pivot, adjust, readjust, and hustle even more. In addition to co-founders Zarling & Campbell leading the charge, the agency boasts Alissa Endres
and Dawson Simmons as Project Managers.

With a core focus on artist-centric marketing strategy and brand partnerships, 615 Leverage + Strategy has fast become an industry leader in innovative solutions for an ever-evolving entertainment industry.