At Advantage we plac​e a premium on proactive, entrepreneurial leadership at all levels of our organization. Our most senior members have a special responsibility to act with integrity, drive strategic thought leadership, and ensure partner collaboration and excellence in everything we do. The executive leadership team is a diverse group of dynamic individuals who are actively engaged in our clients' and customers' businesses every day, applying their extensive industry experience and knowledge to ensure our mutual success.​​​​​​​​​​​

Our Leadership​ Team

Chief Executive Officer

Tanya Domier

Chief Executive Officer

Tanya Domier is Chief Executive Officer of Advantage Solutions. She has served on the company’s Board of Directors since 2006.

After beginning her career with The J.M. Smucker Company, Domier joined Advantage in 1990 and quickly rose through the company’s ranks, holding a variety of executive-level positions in sales, marketing, and operations.

In 2000, Domier led the formation of Advantage’s marketing division, Advantage Marketing Partners, which delivers effective marketplace solutions by intimately understanding retailer and manufacturer needs and grounding programs in shopper insights. In ten years, the division rose to the top ten of the PROMO 100 and came to offer a full suite of services from shopper and experiential marketing to custom content, digital, and multicultural solutions. For four years in a row it has been ranked by Advertising Age as the #1 Experiential and Event Marketing Agency and #1 Promotional Marketing Agency in the U.S.

As President and Chief Operating Officer, a position Domier held from 2010 until assuming her CEO role in January 2013, she developed a new strategic plan for the company with focus on 5 Pillars: People, Culture, Creating Raving Fans of Clients and Customers, Operational Efficiency, and Growth. This strategy fosters a performance-driven culture that emphasizes the importance of proactively adding value and delivering results for each of Advantage’s clients and customers. These efforts led to the transformation of Advantage from a sales and marketing company to a leadership position in business services and solutions for brands and retailers.

As CEO, Domier continues to strategically shape the future of Advantage. The company recently began developing a suite of digital technology solutions to help brands and retailers address the challenges they face in today’s omni-channel world. Advantage is also growing its international presence to offer integrated outsourcing solutions to multi-national clients, providing them with a single strategic partner and best practices across geographies.

In addition to her duties at Advantage CEO, Domier is a member of the Board of Directors of Nordstrom, Inc. and also of Enactus, an international nonprofit organization promoting entrepreneurship for college students.

Domier holds a bachelor’s degree in Political Science from California State University, Chico. She lives with her husband and three teenage sons in Orange County, CA.

Chief Financial Officer and Chief Operating Officer

Brian G. Stevens

Chief Financial Officer and Chief Operating Officer

Brian Stevens is Chief Financial Officer and Chief Operating Officer at Advantage Solutions. Stevens joined Advantage in March 2008 and has nearly 20 years of experience in finance and accounting.

Stevens has global oversight of Advantage's Finance and Accounting department. This includes financial reporting, budgeting, treasury, payroll, tax, mergers and acquisitions, and customer service. He currently serves on the board of directors of Advantage Waypoint, LLC and Advantage Consumer Healthcare, LLC.

Brian previously served as Vice President of Finance at Multi-Fineline Electronix, Inc., where, he provided global oversight for the Finance, Accounting and IT departments, and helped lead a successful initial public offering (IPO) in 2004. Brian spent seven years with PricewaterhouseCoopers LLP in a variety of roles. His responsibilities included participating in Initial Public Offerings, merger and acquisition transactions, carve out and spinoffs, and many different types of public filings for Fortune 100 companies.

Stevens is a Certified Public Accountant and holds a Master of Business Administration in Finance from the University of Southern California.

President, Sales

Michael O’Keefe

President, Sales

Michael O’Keefe is the President of Sales at Advantage Solutions, with responsibility for Advantage’s sales operations, client services, and business development functions. O’Keefe has over 35 years of industry experience, and a track record of executing with excellence and delivering results for Advantage’s clients and customers.

O’Keefe started his career with the Pezrow Company, moving up through various management positions. After Pezrow was acquired by Advantage in 2004 O’Keefe became a Client Team Leader with responsibility for the Unilever Ice Cream business, leading Advantage to five years of double digit growth and ultimately market leadership. Over the past decade O’Keefe rose through a number of executive management roles leading the expansion of Advantages perishable client portfolio, the creation of the Advantage Fresh business unit, the expansion of the strategic client portfolio, and the talent reinvention of the client services team. O’Keefe was named President, Sales in September 2015.

O’Keefe has been a member of the Board of Directors of the National Frozen & Refrigerated Association (NFRA) for over 15 years and served as president of the Metro New York Eastern Frosted Foods Association. He gives back to the community through his work with the New York chapter of ALS and the New Jersey Food Bank where he is an active participant in fund raising and the soup kitchen.

O’Keefe holds a bachelor’s degree in Business Administration and Communication from Rutgers University where he graduated with honors. He lives in New Jersey with his wife and two children.

President, Marketing

Jill Griffin

President, Marketing

Jill Griffin is President of Marketing for Advantage Solutions, with 20 years of experience in marketing, sales, client service and operations. She joined the company in 2008, bringing a solid leadership track record in high-growth, outsourced service companies.

Griffin has led the evolution of Advantage's Advantage Marketing Partners agency from a primarily Shopper Marketing practice to an omni-channel solution provider including broad-based Experiential; Digital, Social, Mobile; Multicultural; and Food Service Marketing practices. Today, as Advantage Marketing Partners, the agency is proud to be agency of record for many of the most recognized brands across retail, packaged goods, technology, apparel, automotive, travel, entertainment, education and healthcare. Delivering a significant growth trajectory over the past 10 years, the agency was ranked #1 U.S. Consumer Promotion Agency and #1 U.S. Experiential Agency by Advertising Age for 2014 and 2015.

Prior to joining Advantage, Griffin served as President of Navarre Corporation's interactive publishing division, providing outsourced brand marketing and retail distribution for leading entertainment properties for more than 10 years. Griffin began her career with TMP Worldwide in business development and client service.

Griffin holds a B.S. in Marketing from the University of Minnesota Carlson School of Management as the top-ranking marketing graduate; and a B.A. in Spanish from the University of Minnesota College of Liberal Arts.

President, Digital Technology Solutions & Services

David Cortese

President, Digital Technology Solutions & Services

David is a twenty-year technology veteran with diverse experience ranging from building start-ups to holding senior leadership positions within a Fortune 100 corporation. Prior to Advantage Solutions David founded Media Salvation, a SaaS analytics, insights​​ & intelligence company focused on the digital distribution market and providing analytics and insights to movie studios and TV networks. Media Salvation was acquired by Rentrak (NASDAQ: RENT) in 2010.

Prior to founding Media Salvation, David served as a Divisional CIO of Sony Pictures Home Entertainment, a multi-billion dollar CPG division of the movie studio. He had global accountability for IT across twelve operating territories around the world and oversaw all technology support across sales, marketing, operations, finance and customer service. He was influential in implementing a number of systems in the department including applications to support vendor managed inventory, supply chain (ERP), demand planning and EDI. David was also responsible for bringing the first data warehouse into the company.

Early in his career, David spent nearly ten years in consulting, the majority of which he served working at Accenture in the manufacturing and telecommunications industries. David holds a Bachelor’s degree in Mechanical Engineering from Worcester Polytechnic Institute.

Chief People Officer

Melissa Oesterreich

Chief People Officer

Melissa Oesterreich, Chief People Officer, leads the HR organization and is responsible for engaging Advantage Solutions’ vast and diverse workforce. She develops and guides the company’s talent management philosophy, as well as champions the organization’s strategy for acquiring, developing, rewarding, and retaining the best talent. In addition, Oesterreich leads Advantage’s leadership development, training, workforce planning, employee relations, compensation, benefits and corporate responsibility initiatives.

Oesterreich has held a wide range of roles since joining the company in 2001. Prior to assuming her current position, she was EVP Client Services and Operations for the Sales organization where she was responsible for retaining and developing Advantage’s strategic, national client relationships. She began her Advantage Solutions career in the Marketing division, where she spent more than a decade in progressive roles spanning client services, business development and operations. She has a proven track record of developing high performing teams and is committed to people development and a performance culture to fuel success.

Oesterreich has been the recipient of a number of awards throughout her tenure including the Advantage Chairman’s Award, BIG Award and has received multi-year recognition as a Progressive Grocer Top Woman in Grocery. Oesterreich is also proud to lead Advantage’s sponsorship of the Network of Executive Women, encouraging the advancement of female leaders in the industry.

Oesterreich holds a Bachelor of Science in Business Administration as well as a Bachelor of Arts in Theatre/Dance from Chapman University.


Bryce Robinson


Bryce Robinson is General Counsel and Secretary of Advantage Solutions and is responsible for oversight of Advantage's legal department. Since 2010, he has been providing counsel to Advantage regarding a wide variety of complex business matters, including more than 20 mergers and acquisitions (M&A), billions in financings, international joint ventures, private equity transactions, compliance, corporate governance and commercial contracts.

With more than 15 years of experience, Robinson’s background includes both in-house and external counsel roles. He began his career at the international law firm of Latham & Watkins LLP, where he handled M&A, SEC compliance, securities offerings, real estate and commercial matters.

Prior to joining Advantage, Robinson was Senior Vice President, General Counsel and Secretary at InSight Health, a healthcare services company with more than $200 million in revenue. During his tenure with the company, he rose from Assistant General Counsel to leader of InSight’s legal department and completed numerous acquisitions.

He earned a Bachelor of Arts degree in Political Science from the University of Washington and a Juris Doctorate from UCLA School of Law. He is a member of the California Bar.