Leadership

When you partner with Blue Onion Media, you gain access to a strategic team that’s with you every step of the way.

We’re not just media buyers—we’re collaborators, advocates, and problem-solvers.

With deep ties to media suppliers nationwide and a long-standing reputation for integrity and results, we know how to get the best value, inventory, and placement across channels.

Experience That Anchors. Energy That Drives.

Our team averages 10 years of tenure—a true rarity in today’s fast-moving media world.
Our senior managers bring 20+ years of industry expertise and leadership.
Our next-gen planners and buyers infuse every campaign with fresh energy, digital fluency, and passion for today’s evolving media landscape.

This blend of tenured wisdom and modern agility ensures that every campaign is rooted in strategy, executed with precision, and infused with creativity.

Joel Grabois

Chief Executive Officer

As CEO of Blue Onion Media, Joel Grabois is a visionary leader with a passion for turning complex media ecosystems into powerful growth engines for advertisers. With more than twenty five years of advertising agency and media experience, Joel champions strategic clarity, breaking down silos between creative, strategy, and execution to amplify media’s full potential.

Since launching Blue Onion Media, Joel has fostered an entrepreneurial and innovation-driven culture, developing proprietary research tools and custom media programs for both agencies and brand partners. He has positioned Blue Onion at the forefront of the industry—leading with digital expertise, cross-channel fluency, and an ability to anticipate and leverage today’s evolving media landscape.

Joel brings hands-on insight to every client engagement. He collaborates directly with marketers and agency teams on complex media challenges, demystifying the planning and buying process while ensuring transparency, accountability, and results. With a proven track record of managing over $100 million in multimedia budgets, he brings deep strategic acumen to every investment, ensuring that every dollar works harder and smarter. His experience spans local and national media, B2B and consumer, traditional and digital. He’s led media strategy for powerhouse brands including Kraft, General Mills, Nestlé Purina, and Pfizer, as well as dozens of emerging challenger brands across verticals.

Joel’s leadership is defined by his commitment to measurable impact, media integrity, and long-term client growth. He ensures that Blue Onion Media is more than a media buyer—it’s a true strategic partner.

Robin Casmirri

President/Chief Operating Officer

Overseeing day-to-day agency operations, Robin leads, mentors and empowers Blue Onion Media’s team to deliver the best work possible in support of our client partnerships. Her multi-disciplinary experience, including media planning and buying, public relations, direct marketing, account management, production and traffic management, has given her a more holistic understanding of the advertising and media industry.

Having spent 30+ years at ad agencies in Atlanta, Phoenix, Des Moines and Denver, Robin brings extensive expertise in integrated marketing consulting, strategic media planning, advertising negotiation and media buying across all online and offline media. She has worked with clients in a variety of categories – including travel, tourism and hospitality, considered-purchase, manufacturing, construction, home improvement, healthcare, QSR, financial services, energy and utilities, gaming, and education – to develop brand, co-op, and direct response campaigns targeting consumer and trade audiences through local market, national and international media.

While she understands the importance of ROI, especially in an economy where budgets are stretched to the limits, Robin knows there’s more to advertising than traditional metrics. Likewise, marketing tactics must be more than creative; they must be strategic and smart, driving real results for our clients.

Eileen Weinert

Senior Strategist

Eileen Weinert brings 30+ years of media experience to Blue Onion Media. She is responsible for strategic leadership to ensure that clients’ media programs are smart and innovative. She guides a team of media experts, all of whom are always looking for new and exciting ways to reach our partners’ customers. Eileen began her career at Bozell & Jacobs, and also worked at Wells/Rich/Greene in Los Angeles. She has experience on the media sales side, having sold for the Arbitron Ratings Company in Los Angeles, as well as KCNC-TV in Denver and KOAA-TV in Colorado Springs. After a 9-year stint as Senior Vice President at Media That Works (now Empower MediaMarketing) in Cincinnati, she joined Dallas agency Calise & Sedei as Director of Client Services.

Eileen returned to Denver in 1999, and has led Blue Onion Media ever since. She has developed media programs for retail clients such as LensCrafters, Casual Corner, Petite Sophisticate, Don Pablo’s Mexican Kitchens, Arby’s, Einstein Bros. Bagels, Kroger (King Soopers), First Interstate Bank, Rosewood Hotels, Paramount Pictures, Rock Bottom Restaurants, Good Feet Arch Support Stores and Specialty Sports. Her media background also includes brands such as Mary Kay Cosmetics, ConAgra, KSL Resorts, Lincoln Financial Media, College for Financial Planning, HomeVestors of America and PetMate.

Peter TenEyck

VP Business Development

Pete brings more than 35 years of “in-the-trenches” sales, marketing, management, advertising, digital marketing, entertainment, video production, and media expertise to the table. Over the course of his career he has started four successful communications and marketing companies, responsible for initial operations and then building each business, by overseeing and directing the marketing and business development components of each. He has worked with clients large and small, applying his business experiences to help clients identify and solve their communication and marketing issues. He is a diehard client advocate and enjoys critical thinking relevant to their objectives. He is focused on listening to clients’ needs and then helping them put together a strategy and identifying KPI’s and metrics to measure success. “My job is to listen, to ask questions, to quickly understand a client’s business and help them clarify their goals. Then along with the team, develop data-driven strategic media solutions.”

He has worked with both B2B and B2C clients; helping brands like Teledyne, Ace Hardware, Noble Energy, SourceGas, Raytheon, Slimgenics, Atmos Energy, Westfield Company, Directed Equity, Lockheed Martin, OxiFresh to name a few.

Pete grew up on the East coast and attended Dean College, Lehigh University and The University of Colorado. Outside of work, Pete enjoys hunting, listening to and playing music, building cigar box guitars, gardening, carpentry, woodworking, cooking, traveling, and playing golf; He and his partner Patsy have five awesome grown children in their blended family and were recently blessed with their first grandchild.