Summary
Overview
Work History
Education
Skills
Timeline
Generic
Justina  Mulzac

Justina Mulzac

Brooklyn

Summary

An energetic, results-driven professional with 6+ years of experience spanning executive assistance, marketing, and event production/management. Experienced in delivering large-scale live events, sponsorship activations, and brand experiences across sports, music, entertainment, and culture. Proven track record of managing cross-functional teams, external partners, and complex budgets to deliver innovative, high-impact B2C, and B2B experiences. Known for building programs from the ground up, navigating ambiguity, and executing under compressed timelines, with a strong executive presence. Brings a background in executive support, talent relations, and brand strategy, paired with exceptional communication, stakeholder management, and a highly collaborative, results-driven approach.

Overview

9
9
years of professional experience

Work History

Executive Assistant -

American Express
New York
10.2024 - Current
  • Serve as primary strategic partner to senior executives, managing complex calendars, domestic and international travel, expenses, and confidential communications in a fast-paced, matrixed environment.
  • Coordinate executive-level meetings, leadership offsites, and internal events, overseeing logistics including venues, AV, catering, agendas, materials, and on-site execution.
  • Act as a liaison across marketing, finance, legal, HR, and external partners, ensuring alignment, follow-through, and timely execution of priorities.
  • Support planning and execution of internal engagement events and leadership forums, applying experiential best practices to enhance attendee experience.
  • Manage vendor/contractor relationships and assist with budget tracking, invoicing, and approvals, ensuring compliance with internal processes.

Event Manager -

NBCUniversal
Brooklyn
08.2022 - 10.2024
  • Spearheaded end-to-end planning and execution of high-profile experiential marketing activations, including NBCUniversal FanFest, featuring interactive brand experiences, celebrity talent, panels, and exclusive content previews to drive consumer engagement.
  • Led cross-functional collaboration with marketing, PR, creative, production, legal, finance, and external agencies from briefing through execution and post-event measurement.
  • Planned and executed NBCUniversal’s annual Upfront Presentation, coordinating senior leadership, advertisers, media partners, and vendors to deliver a seamless, executive-level experience.
  • Managed complex budgets and vendor negotiations, delivering 10% cost savings on the annual Holiday Party while maintaining premium execution.
  • Oversaw logistics including venue sourcing, AV, branding, hospitality, transportation, talent coordination, and guest experience.

Event Coordinator/EA -

ICM Partners
New York
05.2021 - 07.2022
  • Partnered with artists, agents, buyers, and promoters to execute concerts, tours, and live appearances, managing offers, contracts, deposits, and execution logistics.
  • Tracked ticketing, hospitality, and travel for large-scale events, ensuring seamless experience for talent and partners.
  • Supported sponsor-aligned appearances and promotional events, ensuring contractual obligations and brand integrations were met.
  • Developed and executed social media promotion strategies to amplify live events, driving a 25% increase in follower engagement.
  • Maintained detailed financial records, expense reporting, and contract documentation across the department.

Event Coordinator (Contract) -

Production Glue
New York
05.2020 - 04.2021
  • Delivered operational and logistical support for large-scale entertainment and cultural events by contributed to cost-saving initiatives while maintaining execution excellence.
  • Coordinated logistics for high-profile events, including NBA All-Star Weekend and major studio activations.
  • Supported sponsorship activations and branded environments, ensuring on-site execution aligned with client objectives.
  • Managed on-site operations, including guest flow, credentialing, schedules, and issue resolution under live-event pressure.
  • Tracked budgets, processed invoices, and supported financial reconciliation in partnership with production teams.

Special Events Intern -

Live Nation Entertainment
Washington, DC
05.2019 - 03.2020
  • Assisted in planning and execution of concerts, festivals, and sponsored events across multiple markets.
  • Supported sponsor relationships and branded activations, ensuring alignment with sponsorship agreements.
  • Collaborated with marketing teams on promotional campaigns, including social, email, and on-site engagement.
  • Maintained event documentation, guest lists, schedules, and post-event reports.

Conference & Festival Producer/EA -

Broccoli City Music Festival
Washington, DC
09.2016 - 03.2019
  • Led and managed a team of event coordinators, increasing team productivity by 25% through improved workflows and leadership.
  • Partnered with corporate sponsors and brand partners to execute sponsorship agreements and on-site activations, delivering on contractual benefits.
  • Managed sponsor activation zones, hospitality, and branded experiences to enhance attendee engagement.
  • Supported sponsorship negotiations and execution across B2C and B2B objectives.
  • Coordinated ticketing operations, volunteer recruitment, training, and scheduling for large-scale festival attendance.
  • Implemented attendee experience enhancements focused on access, entry efficiency, and overall guest satisfaction.

Education

MBA - Master of Business Administration - In Progress

St Joseph University
New York, NY

Bachelor of Arts -

Howard University
Washington, District of Columbia, DC

Skills

  • Budget tracking
  • Travel coordination
  • Calendar management
  • Event logistics
  • Project management
  • Vendor management
  • Attention to detail
  • Effective communication
  • Experiential marketing
  • Troubleshooting
  • Microsoft office

Timeline

Executive Assistant -

American Express
10.2024 - Current

Event Manager -

NBCUniversal
08.2022 - 10.2024

Event Coordinator/EA -

ICM Partners
05.2021 - 07.2022

Event Coordinator (Contract) -

Production Glue
05.2020 - 04.2021

Special Events Intern -

Live Nation Entertainment
05.2019 - 03.2020

Conference & Festival Producer/EA -

Broccoli City Music Festival
09.2016 - 03.2019

MBA - Master of Business Administration - In Progress

St Joseph University

Bachelor of Arts -

Howard University