Oliver Eills, CEO and Founder
Oliver has spent his career building global media partnerships and connecting brands with high-value audiences. As Managing Director at Publicitas, he led the development of the company’s commercial operations in London, Dubai, and the Americas, overseeing partnerships across luxury, finance, travel, and property sectors.
He also held commercial roles at Condé Nast, The Economist Group, and News UK, giving him a global perspective on premium media, brand strategy, and cross-border sponsorship execution.
Key Strengths:
- Senior leadership in international media operations
- Extensive experience with HNW and UHNWI audience strategy
- Commercial development across EMEA, North America, and the Middle East
- Entrepreneurial growth of AdVentures Americas into a cross-sector media and sponsorship firm
Oliver holds an MA in Modern and Medieval Languages from the University of Cambridge and is a veteran of the Honourable Artillery Company, the British Army’s oldest regiment.
Jimi Psarakis, VP of Partnerships
Jimi Psarakis is Vice President of Partnerships at AdVentures Americas, where he leads strategic partnerships and revenue growth across the Private Jet Media network and its portfolio of premium aviation and luxury media platforms.
Jimi specialises in developing high-value partnerships for brands seeking to engage ultra-high-net-worth audiences. His experience spans luxury automotive, private banking, wealth management, hospitality, real estate, and premium consumer brands. He is recognised for building trusted, long-term relationships and delivering bespoke media solutions that align brands with exclusive, high-impact environments.
Previously, Jimi served in senior leadership roles within national digital media organizations, including as President, where he oversaw partnership strategy and revenue development, driving sustained growth through strategic brand and agency alliances.
At AdVentures Americas, Jimi is focused on expanding the Private Jet Media footprint by partnering with leading brands and agencies to activate campaigns across private aviation terminals and other highly curated travel environments.
Bryan Hackmyer, Senior Media Sales Consultant
Bryan Hackmyer is a results-driven media sales leader with extensive experience across premium out-of-home, digital, and innovative media platforms. He most recently worked at Volta, a Shell brand, where he partnered with advertisers and agencies to deliver high-impact, data-driven campaigns across the largest digital out-of-home EV charging network in the United States.
Prior to Volta, Bryan spent more than 13 years at JCDecaux, the world’s leading out-of-home media company, where he consistently drove new business, expanded key accounts, and worked closely with brands to execute creative, high-performing campaigns across major U.S. airport environments. These include long-term sponsorship deals with Marriott at Dulles, Accenture at JFK, and IBM at Boston Logan.
Bryan is known for his strategic mindset, strong client relationships, and ability to align advertiser objectives with innovative, performance-oriented media solutions.
Brandon Lowitz, Strategic Partnership Development
Brandon Lowitz is a strategic partnerships and business development leader who helps premium brands unlock new revenue through smart, culturally relevant partnerships. He specializes in identifying the right partners, structuring high-value deals, and ensuring those relationships actually perform, not just look good on a slide.
Over the past 20+ years, Brandon has built and sold partnerships across Financial Services, Automotive, CPG, Spirits/Wine, Technology, and Travel, working with Fortune 100 brands as well as fast-growing challengers. His experience spans Film (Tribeca Film Festival), Sports (City Football Group), Media (Condé Nast), and Technology (Accenture), giving him a strong command of both B2B and B2C partnership models.
Previously, Brandon held leadership roles at Accenture, where he developed revenue-generating partner programs with companies including Salesforce, Workday, SAP, and Microsoft. At Tribeca, he secured and managed cornerstone sponsorships with brands such as AT&T, Unilever, and Lincoln, while building long-term relationships with Coca-Cola and Heineken. At Condé Nast, he helped open new non-media revenue streams, bringing in partners including Mercedes-Benz, Accenture, and Moët Hennessy.
Today, Brandon advises brands and platforms on building premium, differentiated partnerships that actually drive business. He partners with companies like AdVentures Americas to develop scalable programs across forward-leaning platforms, including JSX Airlines, Sundance Institute, Time Out Media Group, and Cinema United.
Seth Zaharako, Strategic Partnership Development
Seth Zaharako is a business and marketing executive with experience across global luxury, CPG, and entrepreneurial ventures from start-up through growth stage. He brings an integrated, commercially grounded perspective - connecting brand, creative, and commercial strategy to turn marketing investment into sustained growth.
Most recently, Seth served as Vice President of Marketing & Creative Services at Moët Hennessy (LVMH), where his team led media investments, partnerships, and entertainment marketing, the in-house content studio, and CRM across the portfolio.
Earlier in his career, he founded the creative agency Overthinking and held roles spanning sales and brand management at Diageo.
Today, he partners with Adviso-Matic and select companies to build scalable, long-term partnerships across progressive platforms - including his current work supporting JSX.