Laurent Ezekiel is a recognized leader known for leveraging the transformative power of creativity, not just to solve complex challenges and drive significant business impact, but to actively shape the very future of marketing for the world's most iconic brands. As Global CEO of The Ogilvy Group, he leads one of the world's most iconic creative networks, driving seamless solutions woven at the intersection of its diverse marketing capabilities, spanning advertising, PR, social & influence, customer engagement, consulting, and health. This expansive tapestry of talent includes award-winning creative powerhouses like DAVID, Grey, INGO, NCA, thjnk, and Village Marketing. 

Since joining WPP in 2019, Laurent has proven his exceptional ability to assemble world-class talent and deliver creative impact at an unprecedented scale. Most recently, he served as CEO of WPP Open X, spearheading a multi-agency, multi-disciplinary team that serves as the global marketing partner for The Coca-Cola Company. WPP Open X masterfully integrates creative, media, social, influencer, commerce, PR, data and technology into a cohesive marketing ecosystem that is innovative at its core and unprecedented in its scale. This global network-to-network partnership was specifically designed to support The Coca-Cola Company’s marketing transformation, covering more than 200 brands in 195 countries and to be a catalyst for marketing innovation and excellence.  

Under Laurent’s strategic direction, WPP Open X developed and scaled innovative solutions such as Studio X and harnessed the collective creative power of the company’s agencies to propel Coca-Cola to become Brand of the Year at the 2024 Cannes Lions International Festival of Creativity. 

Laurent previously spent 16 years at Publicis Groupe holding various leadership roles including President of North America & International at Digitas. He started his career at Saatchi & Saatchi and went on to work at Grey London.  

Beyond his commercial achievements, Laurent is deeply committed to making a positive impact. He holds a Master’s in Environment & Development, reflecting his dedication to WPP’s sustainability efforts. He has also served on the WPP’s Global Inclusion Council, championing new programs that foster a respectful culture where every individual feels a sense of belonging and can thrive. 

Laurent’s global perspective is rooted in his upbringing as half-French, half-Indian in London, a city he still calls home alongside New York. He is a proud father of three, a passionate supporter of Arsenal FC, and a fiercely loyal Coke Zero customer. 

As Ogilvy's Global Chief Financial Officer, Ann Garreaud oversees all financial and commercial operations across the agency's global network and serves as a member of parent company WPP’s finance leadership team. She is a distinguished financial leader, renowned for her deep understanding of the evolving agency landscape and unwavering focus on client value. Prior to her appointment at Ogilvy, Ann dedicated 25 years to Publicis Groupe, notably as EVP of Global Client Finance & Business Solutions, where she led financial and commercial operations for their Global Client Practice, driving significant growth and transforming business models. Her Publicis tenure also includes global CFO roles for Publicis Health and Publicis Worldwide.

Earlier in her career, Ann served as the U.S. CFO for the joint ventures between Y&R and Dentsu. She holds a BA from Lehigh University and an MBA from the Gabelli School of Business at Fordham University. Ann is recognized for her strategic leadership and commitment to leveraging financial expertise to deliver exceptional value and innovative solutions for clients.

Horacio is Executive Partner, Chief Executive, Latin America and has led Ogilvy’s Latin American operations since January 2017. 

Under Horacio’s leadership, Ogilvy Latin America has been recognized by Cannes Lions as Latin America Regional Network of the Year for four consecutive years, earning its latest designation in 2022. 

Horacio joined Ogilvy in 1993 in Argentina as an Account Supervisor. He was soon promoted to Account Group Director where he oversaw clients such as Duracell, IBM, SmithKline-Beecham and Mercedes Benz. After a three-year stint as Advertising Manager at Telecom Group, the largest cellular telephone company in Argentina, Horacio moved to media agency Carat as Regional Director for Latin America. 

In 2004 Horacio returned to Ogilvy in Mexico as VP of Client Services in charge of accounts such as American Express, Volvo, Coca-Cola and Gillette. 

In 2006, he was appointed as Managing Director of the Ogilvy Miami, while also taking over duties as Regional Account Director for American Express, Motorola, Kraft and Lenovo. Horacio returned to Ogilvy Mexico in 2008 as Executive VP and in August of 2011 he was appointed CEO. 

Under his stewardship, Ogilvy was ranked the number one agency in Mexico by Merca2.0 for three consecutive years (2014, 2015, 2016). 

Horacio has been recognized for five consecutive years (2012-2017) as one of the 300 Most Influential Leaders of Mexico by Líderes Mexicanos magazine, and he was also named one of the Top 100 Marketing and Advertising Leaders by Merca2.0. 

In 2015, Horacio became President of the Executive Board of the Mexican Association of Advertising Agencies. In 2016, he acted as President of the EFFIE Awards Council. 

Horacio has a degree in Advertising from the Universidad del Salvador in Buenos Aires and a Master's Degree in Integrated Communications from Bonn University in Germany. 

Fiona is the Global CEO of Advertising, where she drives the evolution of Ogilvy’s advertising, brand, and content capabilities to meet the shifting needs of clients. Since joining Ogilvy as a graduate trainee in the 1990s, she has held leadership positions across EMEA, Asia, and the US.
 
Prior to her current role, she served as CEO of Ogilvy UK from 2021, where she led the agency to become WARC’s #1 creative agency in the UK in 2024. Her leadership spurred notable new business wins, such as Molson Coors and Valeo Foods, and multiple industry recognitions, including the Financial Times’ ranking of Ogilvy Consulting as a top consulting firm and the Global Influencer Marketing Awards’ Best Large Influencer Marketing Agency title.
 
Fiona’s prior roles include Chief Client Officer for Ogilvy EMEA and WPP UK Team Lead for Walgreens Boots Alliance, where she secured strong business results and the brand’s highest reputation scores in a decade. She was also Group Chairperson of Ogilvy Singapore from 2011-2015, leading the agency to accolades like SE Asia Agency of the Year and SE Asia Agency Head of the Year. Throughout her career she has led accounts including Unilever, American Express, GSK, Singtel, and Mondelēz.
 
An active industry leader, she is on the Advisory Board of Stella (WPP’s Women’s Network), the IPA Council, WACL, and the American European Business Association, and co-chairs the Creative and Cultural Action Group for Make London a Living Wage City. In 2021, she was named to Ad Age’s Leading Women list.

Mick is a thinker and proven leader who works at the intersection of strategy, creativity, and technology to create impact and growth for Ogilvy and its clients. As Global Chief Strategy Officer, Mick leads a team of 1,500+ strategists across the Ogilvy network to deliver world-class, insights-driven creative solutions for clients.  

Mick joined Ogilvy from Publicis Groupe where he held various leadership roles over the past decade, including Global Chief Strategy Officer for Publicis Worldwide and CSO roles for Le Truc, Publicis Creative USA, and Leo Burnett. During his tenure at Publicis, he worked extensively on the group’s largest accounts, including Allstate, Bank of America, CVS, Heineken, Samsung, and Walmart. Altoids, BMW, Nintendo, Ikea, and McDonald’s are other marquee brands he has helped advise over his career.  

Prior to Publicis, Mick led strategy teams at Deutsch and Kirshenbaum Bond. Additionally, Mick served as a strategic advisor and acting CMO for the launch of the world's biggest VR fitness platform, Supernatural, which in 2020 won Fast Company’s Best Innovation and Time Magazine’s Best Invention awards. His work has been recognized by Cannes, Jay Chiat Awards, and includes two Grand Prix Effies. 

Mario joined Ogilvy Health in October 2024 as Global Chief Executive Officer, where he oversees all aspects of Ogilvy’s Health business which spans Brand Strategy, Advertising, Public Relations and Influence, Experience and Innovation, Medical Education.

With over 25 years of Oncology experience and nearly 20 years of advertising and marketing expertise, Mario has been a part of many of healthcare’s advancements and milestones. Across Consumer, HCP, Patient, and Payer audiences, Mario has supported some of the industry’s biggest and most impactful brands. Mario has a history of successfully leading multidisciplinary teams that span audiences and functions and has supported over 30 new product/indication launches.

Prior to joining Ogilvy Health, Mario held various leadership positions at Avalere Health and Omnicom Health Group. His 25+ year passion for Oncology started in grad school at Queen’s University in Kingston, Canada, where Mario studied molecular mechanisms of drug resistance in non-small cell lung cancer. When he’s not working his day job, Mario is passionate about giving back to communities; he’s currently the Board Chair of Dream Foundation—a national dream-granting organization for terminally ill adults—and a member of Queen’s University’s Grad Club Board of Directors.

Maria ​is a world-class executive who has been at the forefront of shaping innovative talent programs and offerings while fostering inclusive workplaces. She joined Ogilvy as Global Chief People Officer in March 2022 to reshape the employee experience to be one that is modern and inclusive. 

Prior to joining Ogilvy, Maria spent 25 years at Edelman where she held various talent leadership roles including Global Chief Talent Officer of Practices, Sectors & Clients and CTO of the U.S., Canada, and Latin America regions. While at Edelman, Maria helped architect and implement programs to facilitate talent retention, manage change, and drive employee development. ​This included working to enhance paid-time-off policies, increase parental leave, improve performance review and career development processes as well as creating a candidate assessment program that formalized talent acquisition processes to drive progress towards industry-leading diversity and inclusion goals. 

Maria is an expert in change management, ​mediation, and organizational design. She is a certified trainer of Situational Leadership® II and the Myers-Briggs Type Indicator®. She received her SPHR certification and holds a bachelor's degree in Management from Illinois State University. 

When not at work, you can find Maria at home in Geneva, Illinois with her husband Mike, sons Aidan and Nicky and rescue puppy, Peanut. 

Carol Reed is Global Chief Innovation Officer at Ogilvy, leading global partnerships and innovation and growth initiatives that advance modern marketing for global brands. Known for turning complex technology into clear creative and commercial advantage, she helps teams use data and responsible AI to build trust, cultural relevance, and measurable outcomes.

Carol brings more than two decades of experience in digital marketing and advertising technology, with leadership roles across WPP and Publicis Groupe’s Digitas, where she scaled global media technology and programmatic capabilities. Before Ogilvy, she served as Data, AI & Innovation Lead for WPP Open X supporting The Coca‑Cola Company, and previously led enterprise data strategy for Walgreens. She also led data strategy at Choreograph and helped develop privacy-forward, data-driven marketing solutions.

Carol holds a postgraduate degree in AI for Business from Oxford Saïd and a B.A. from Tufts University.

Joe joined Ogilvy in 2000 as Managing Director and Chief Creative Officer of the Chicago office. He was appointed Co-Chief Creative Officer of Ogilvy USA in 2017 and promoted to Global Deputy Chief Creative Officer in 2018.   

Joe is an accomplished creative with a history of success both creating campaigns and as an agency and network leader. With Joe helping lead Ogilvy’s creative output globally, the agency network has seen incredible success. Ogilvy was named Network of the Year by Cannes Lions in 2022, in addition to topping the WARC Creative 100 as the World’s Most Creative Agency Network for two straight years in 2022 and 2023. Ogilvy also won Network of the Year at The One Show and LIA in 2022. In 2023, Ogilvy was named CLIOs network of the Year and Global Network of the Year by Campaign Magazine for the second consecutive year. 

Ogilvy Chicago earned great success under Joe’s stewardship. The agency was named the 2018 Clio Awards “Agency of the Year,” and he was part of the creative team that won the 2006 Grand EFFIE for Dove's Campaign for Real Beauty. His work has also won numerous Cannes Lions, One Show Pencils, Clios, Communication Arts, London International Awards, and D&AD Awards.   

Joe has twice been named to Adweek's Creative All-Star team, as well as Crain's "40 under 40" list. Joe has served on Ogilvy's Worldwide Creative Council since 2003. 

Vickie Segar is a pioneering marketing executive and entrepreneur who serves as the Global Chief Sports & Entertainment Officer at Ogilvy. In this role, she shapes how brands engage with culture, leading Ogilvy’s global strategy at the intersection of sports, entertainment, and creator partnerships. Throughout her career, Segar has been a driving force in redefining how brands connect with audiences through authentic, culturally relevant storytelling.
 
Before joining Ogilvy, Segar established herself as a digital trailblazer by founding Village Marketing in 2015. Anticipating the rise of the creator economy, she built the all-female agency into an industry powerhouse known for its social-first campaigns. Among her notable innovations was the "Village House"—a penthouse designed specifically for influencer content creation—which set a new standard for how brands and creators collaborate.
 
In February 2022, Ogilvy acquired Village Marketing to supercharge its global influencer capabilities. Segar successfully integrated her team and proprietary methodologies into Ogilvy’s network, elevating influencer marketing from a tactical add-on to a core creative pillar. 
The acquisition cemented her status as a key visionary within the global agency, scalable across its roster of Fortune 500 clients.
 
In her current role as Global Chief Sports & Entertainment Officer, Segar unleashes the power of cultural influence on a massive scale. She helps brands navigate partnerships with athletes, artists, and entertainment properties to drive business growth. Her leadership ensures Ogilvy remains at the forefront of cultural relevance, delivering innovative campaigns that resonate across global communities.
 
A highly sought-after thought leader, Segar frequently shares her expertise on the creator economy and modern marketing at events like Cannes Lions and in publications such as Adweek and Forbes. She remains a vocal advocate for female leadership, creator equity, and shifting the industry’s focus toward genuine audience engagement.
 
Ultimately, Vickie Segar’s career is defined by her ability to predict where consumer attention is heading and build the infrastructure to meet it. From pioneering the influencer agency model to driving global sports and entertainment strategies for a legendary advertising network, she continues to shape the future of modern marketing.

Liz Taylor is one of the industry’s most-awarded creative leaders. She is a champion of borderless creativity and ideas that create impact for brands and society. 

As Global Chief Creative Officer of Ogilvy, Liz is responsible for overseeing the agency’s creative product across more than 120 offices spanning 90 countries and its five business units: Advertising, PR, Experience, Health, and Consulting. She has consistently guided Ogilvy to achieve remarkable recognition within the industry, securing multiple prestigious accolades in recent years. These include being named Cannes Global Network of the Year in 2024, CLIOs Network of the Year in 2024 and 2023, WARC Creative 100's top-ranked Network and LIAs Global Network of the Year three years in a row from 2022-2024, and Ad Age’s 2024 Global Agency Network of the Year.

In 2023 Liz became the first woman to be ranked #1 in The Drum’s Top 100 Chief Creative Officers list, an honor she earned again in 2025. She has been named an Ad Age Woman to Watch and an Adweek’s Creative 100 member. Her work has been featured in the Museum of Modern Art, Super Bowls, Harper’s Bazaar, Fast Company, Rolling Stone, and even topped the Billboard charts. In 2022, she added an Emmy nomination to her name as Change the Ref’s campaign “Lost Class” earned recognition in the Outstanding Commercial category. 

Alongside the recognition of her work, she has helped set the industry bar for creativity around the world, serving on a multitude of juries that includes Cannes – Digital Craft and Print & Publishing; One Show – Social Media and Integrated Campaign; and D&AD – Experiential and Direct. An industry leader in addressing workplace inequality, Liz also served as an inaugural jury chair of the Athena Advertising Awards, held in conjunction with the 3% Movement. 

A graduate of the University of Wisconsin and Portfolio Center, Liz is based in her native Chicago, where she lives with her husband, a Goldendoodle, and her two kids when they are home from college. When she’s not writing for work, she’s writing a memoir that she hopes will one day be published. And when she needs a break from writing, you can find her indulging in any number of her favorite things—whether binge-watching, fashion obsessing, pop culture devouring, vintage t-shirt collecting, mid-century modern furniture shopping or poker playing.