Julie Wallerstein
New York
Summary
Media and customer success professional with agency and client-side experience, managing multi-million-dollar campaigns and driving growth. Passionate about advertising trends, innovative activations, and data-driven strategy that help brands connect in new ways.
Overview
6
6
years of professional experience
Work History
Customer Success Manager
Ogury
04.2024 - Current
- Lead RFP responses and client proposals, driving new business wins and proactive upsell opportunities.
- Manage $5M+ in annual campaigns, ensuring smooth activations, pacing, and delivery across managed and programmatic buys.
- Build and maintain strong client relationships, achieving 100% client retention
- Partner cross-functionally with Sales and Ad Ops, while mentoring Associates and leading pod alignment.
- Proficient in both managed and programmatic buys, with hands-on experience monitoring spend, resolving activation issues, and optimizing delivery.
- Grew account revenue (+296%) through tailored performance decks and market expansion.
Senior Associate
Starcom
12.2021 - Current
- Planned and activated multi-channel campaigns, including High Impact Takeovers, OLV, Audio, Custom Content, and Virtual Product Placements.
- Executed innovative first-to-market programs (Metaverse concerts, March Madness, Art Basel, Holiday campaigns).
- Delivered 10+ strategic presentations annually, analyzing performance data to optimize campaigns and inform client briefs.
- Led activation for 15+ campaigns and created a structured training program to onboard and mentor new team members.
Negotiator
Hearts & Science
06.2020 - 12.2021
- Negotiated and executed National Broadcast & Hispanic TV buys for AT&T across Prime, Cable, and Late Night.
- Managed digital campaigns in Prisma, from set-up through trafficking, while analyzing delivery via Nielsen and Campaign Manager.
- Built vendor relationships to secure optimal rates, ensure full delivery, and led quarterly post-buy analysis and client summary decks.
- Trained and mentored Assistant Media Buyers across all business areas.
Assistant Negotiator
Hearts & Science
10.2019 - 06.2020
- Managed network schedules and budgets in DDS, aligning flowcharts, creative allocations, and programming shifts with brand goals.
- Provided program recommendations and consumer broadcast insights while ensuring smooth creative trafficking and billing resolution.
- Built strong relationships with network representatives to drive efficient campaign execution.
Education
Bachelor of Arts & Science - Advertising & Public Relations
University of Hartford
West Hartford, CT05.2019
Skills
- Media Buying/Activation: Salesforce, Prisma, MediaOcean, DDS, The Trade Desk
- Data Analytics & Measurement: IAS, DoubleVerify, Nielsen, Comscore, Metabase, Campaign Manager
- Project & Workflow Management: Asana, Slack, Google Suite, Microsoft Office (Excel, PowerPoint, Word)
Timeline
Customer Success Manager
Ogury
04.2024 - Current
Senior Associate
Starcom
12.2021 - Current
Negotiator
Hearts & Science
06.2020 - 12.2021
Assistant Negotiator
Hearts & Science
10.2019 - 06.2020
Bachelor of Arts & Science - Advertising & Public Relations
University of Hartford
Similar Profiles
Sarah RiceSarah Rice
Account Executive at OguryAccount Executive at Ogury
Stephanie DesaiStephanie Desai
Sr. Director, Sales at OgurySr. Director, Sales at Ogury
Talia HaddadTalia Haddad
On Air Sales Host at Puff MediaOn Air Sales Host at Puff Media
Erika PinkusErika Pinkus
VP, Senior Client Advisor at Marsh McLennan AgencyVP, Senior Client Advisor at Marsh McLennan Agency
Or ShinderOr Shinder
Head of Publisher Development and CS at Minute MediaHead of Publisher Development and CS at Minute Media