Stephen Seo
AeroLeads people directory · profile

Stephen Seo Email & Phone Number

Senior Director, Global Brand Strategy and Activation, Barbie at Mattel, Inc.
Location: Los Angeles, California, United States 12 work roles 3 schools
LinkedIn matched
✓ Verified August 2026 3 data sources Profile completeness 86%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Director, Global Brand Strategy and Activation, Barbie
Location
Los Angeles, California, United States
Company size

Who is Stephen Seo? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Stephen Seo is listed as Senior Director, Global Brand Strategy and Activation, Barbie at Mattel, Inc., a with 12032 employees, based in Los Angeles, California, United States. AeroLeads shows a matched LinkedIn profile for Stephen Seo.

Stephen Seo previously worked as Senior Director Global Brand Marketing, Barbie at Mattel, Inc. and Director, Global Brand Marketing at Mattel, Inc.. Stephen Seo holds Bachelor Of Arts (Ba), Sociology from Ucla.

Company email context

Email format at Mattel, Inc.

This section adds company-level context without repeating Stephen Seo's masked contact details.

Mattel, Inc.

Review company-level records connected to Stephen Seo before choosing the right outreach path.

Profile bio

About Stephen Seo

Stephen Seo is the Senior Director of Global Brand Marketing for Barbie at Mattel. He leads the global marketing strategy, shaping Barbie's vision and ensuring it resonates with diverse audiences worldwide. With a strong foundation in digital and social media marketing and experience in the retail and hospitality sectors, Stephen brings a unique perspective to his role, creating impactful marketing initiatives.Stephen is dedicated to elevating the Barbie brand through global strategies that celebrate inclusivity and diversity, further solidifying Barbie's cultural impact with fans of all ages. His collaborative leadership and creative problem-solving have been instrumental in executing major brand launches, including the award-winning global relaunch of Monster High and the relaunches of Disney Princess and Frozen dolls at Mattel.Known for his ability to lead cross-functional teams, Stephen drives impactful marketing initiatives and fosters an environment of open communication and shared commitment, bringing Mattel's iconic brands to life in engaging new ways.Stephen holds a Bachelor of Arts and an MBA from UCLA.Skills include: - Leading 360 marketing campaigns- Managing influencer campaigns - Managing paid social media advertising - Facebook, Instagram, YouTube, etc. - Managing digital media advertising - Leading email marketing - Salesforce Marketing Cloud- Creating and managing social media and content strategy- Managing web design and development - Presenting to executives and earning executive buy-in - Leading cross-functional teams - Leveraging insights to drive strategies

Current workplace

Stephen Seo's current company

Company context helps verify the profile and gives searchers a useful next step.

Mattel, Inc.
Mattel, Inc.
Senior Director, Global Brand Strategy and Activation, Barbie
Los Angeles, CA, US
Website
Employees
12032
AeroLeads page
12 roles · 8 years

Stephen Seo work experience

A career timeline built from the work history available for this profile.

Senior Director, Global Brand Strategy And Activation, Barbie

Los Angeles, Ca, Us

Senior Director Global Brand Marketing, Barbie

Current

El Segundo, California, Us

Feb 2024 - Present

Director, Global Brand Marketing

El Segundo, California, Us

Nov 2021 - Feb 2024

Senior Manager, Global Brand Marketing

El Segundo, California, Us

Drive the development of insights-driven, consumer-centric, global integrated marketing plans to achieve brand and business objectives for a portfolio of new and existing brands. Lead cross-functional marketing teams to ensure flawless execution across all marketing channels to produce a holistic, consistent brand experience for consumers.

Aug 2020 - Nov 2021

Director Of National Marketing

Paris, Ile-De-France, Fr

Responsible for U.S. marketing programs for portfolio of 32 shopping centers. Directed influencer, health and wellness, and holiday marketing campaigns by closely collaborating with creative, field marketing, operations, media, and digital marketing teams to drive traffic, increase digital engagement, and support retention through unique experiences. In addition: - Managed national partnerships.- Identified and created efficiencies by streamlining processes for the marketing team across the portfolio combining efforts where possible and identifying areas of opportunity related to marketing synergies, operational efficiencies and cost savings.- Consulted field marketing teams and acted as a conduit between field marketing teams and corporate marketing teams to elevate marketing activation plans - Established key metrics and benchmarks to analyze business performance, gather insights, and increase effectiveness of marketing strategies and tactics.

2019 - 2020 ~1 yr

Director Of Marketing

West Hollywood, Ca, Us

Head of marketing for entertainment and travel company. Directed consumer-centric strategies for integrated marketing campaigns across web, social media, paid media, search, events, and content. Managed marketing team, external creative agencies, and media partners. Created and implemented multi-channel campaigns to drive awareness and conversion for events. - Planned and implemented marketing programs for 10+ programs per year - Developed and oversaw marketing campaigns to increase brand awareness in opportunity markets and effectively drive sales in mature markets- Led development of branding initiatives for two brands - Managed agency and media relationships including GoogleAds, Facebook, and additional traditional and digital media partners- Managed email marketing using Salesforce Marketing Cloud

Feb 2018 - Aug 2019

Marketing Manager

El Segundo, California, Us

Managed integrated marketing campaigns that drove engagement, customer acquisition, and retail sales. Collaborated closely with internal teams and agencies to create, develop, and execute world-class marketing campaigns that drove product launches and, ultimately, sales. - Collaborated with insights team to develop marketing strategies based on data.- Managed agencies, media partners and collaborated with internal stakeholders to ensure flawless execution.- Developed communications strategies for brands to drive awareness and engagement. - Established KPIs and worked with internal teams to ensure KPIs are measured and goals are met.- Created and implemented world-class influencer marketing campaigns to launch new brands.

Apr 2017 - Jan 2018

Associate Digital Marketing Manager

El Segundo, California, Us

Led the creation and execution of online marketing and advertising strategies to promote Mattel brands. Crafted content and managed the brand’s digital presence across web and social media platforms. Managed programs that drove engagement and helped launch new products and grow affinity with existing consumers for legendary brands such as UNO and Scrabble. - Developed and managed digital marketing strategies to drive brand engagement and keep iconic brands top-of-mind, including app, web, social, YouTube, and influencer marketing. UNO & Friends (app) surpassed 100MM downloads, UNO was #1 game in Q4 2016, UNO become #1 in games category in 2017. - Created and optimized global social media marketing strategies (earned, owned and paid) for games brands, new IP, and consumer tech to increase consumer engagement and drive mass brand awareness. - Trained emerging markets on digital marketing and align digital marketing strategies with established international markets. - Managed creative agencies.- Evaluated new vendors and technologies in digital marketing.

Jul 2015 - Apr 2017

Digital Marketing Mba Intern

El Segundo, California, Us

Managed social media channels for the games portfolio (UNO, Pictionary, Apples to Apples, Scrabble). Managed content development and creative agencies to increase brand awareness for new products and drive conversion.Presented emerging social platform strategies for Mattel brands to upper management after working cross functionally with the legal, brand, and finance teams to develop best practices and strategies for launching Mattel’s first global messenger campaign on Snapchat.

Jun 2014 - Aug 2014

Principal/Founder

Tacoma, Wa, Us

Managed all aspects of the business from concept, marketing, financials, client acquisition, and account management. Developed social media and influencer marketing campaigns for prestigious clients and well-known brands. Clients included Room & Board, L’Occitane, Voli Vodka, Gordon Biersch Brewery, and Michael Mina Restaurant Group. - Established and grew the business by partnering with highly reputable PR and marketing firms, networking, and providing excellent service. Focused on developing world-class content for clients via a network of marketing experts and specialists in content development, social media management, SEO, and web design. - Managed a cross-functional team of 11, who specialized in website design, SEO, creative production, and social media.

May 2011 - Jul 2013

Publicist

Bellevue, Wa, Us

Managed local and national media relations, produced events for high-end retail, and managed social media profiles for retail and food/beverage clients. I focused on building and executing communications strategies and developing clients' brands. I served as a team member to produce a high-end shopping center's first annual fashion night, resulting in the most traffic to the shopping center at a single event. Additionally, I designed and launched the company's first internship program.

Feb 2010 - May 2011

Home Entertainment Publicity Intern

New York City, Ny, Us

Developed presentation for executives on how social media networking sites can facilitate promotion of Universal Pictures and NBC titles. I developed press releases, fact sheets, media alerts, and status reports for Universal Pictures and NBC titles.

Jul 2009 - Sep 2009
Team & coworkers

Colleagues at Mattel, Inc.

Other employees you can reach at mattel.com. View company contacts for 12032 employees →

3 education records

Stephen Seo education

Bachelor Of Arts (Ba), Sociology

Ucla

Master Of Business Administration (Mba), Marketing

Ucla Anderson School Of Management

Sociology

Monash University
FAQ

Frequently asked questions about Stephen Seo

Quick answers generated from the profile data available on this page.

What company does Stephen Seo work for?

Stephen Seo works for Mattel, Inc..

What is Stephen Seo's role at Mattel, Inc.?

Stephen Seo is listed as Senior Director, Global Brand Strategy and Activation, Barbie at Mattel, Inc..

Where is Stephen Seo based?

Stephen Seo is based in Los Angeles, California, United States while working with Mattel, Inc..

What companies has Stephen Seo worked for?

Stephen Seo has worked for Mattel, Inc., Unibail-Rodamco-Westfield, Atlantis Events, Social Werks Communications, and Gruman & Nicoll Public Relations.

Who are Stephen Seo's colleagues at Mattel, Inc.?

Stephen Seo's colleagues at Mattel, Inc. include Joe Zzou, Neil Mccormack, Nur Atiqah Shamsuddin, Danyelle Lucchese, and Amie-Jane Ward.

How can I contact Stephen Seo?

You can use AeroLeads to view verified contact signals for Stephen Seo at Mattel, Inc., including work email, phone, and LinkedIn data when available.

What schools did Stephen Seo attend?

Stephen Seo holds Bachelor Of Arts (Ba), Sociology from Ucla.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.