Discover Avestix Frontier
A woman-led family office,
built for the frontier.
Avestix Frontier began as a first-generation single family office, now in its third generation. Over more than fourteen years navigating the digital economy, we built the institutional-grade infrastructure required to protect, grow, and transition our own family's wealth across generations and jurisdictions: tax structures, multi-jurisdiction frameworks, and institutional digital assets. Avestix Frontier opens that infrastructure, and that community, to a select circle of families building what comes next.
Matriarch-led and innovation-driven, Avestix Frontier is uniquely positioned to support, empower, and champion women-led and next-generation wealth: bridging AI literacy into true AI fluency through secure, governed data environments and an ironclad digital fortress.
35+
Years of Leadership · 3 Continents
$1B+
Capital Mobilized · Invested, Raised, Financed & Managed
Founder & CEO
Susan Lindeque
A Chartered Accountant with more than 35 years of leadership across three continents, Susan has mobilized over $1 billion in capital, invested, raised, financed, and managed, deploying $86 million directly alongside her co-investing partners. More than a decade ago she recognized the potential of frontier technologies and steered the family office toward emerging tech, digital assets, and technology-anchored real estate.
She leads Avestix Fortuna, the firm's initiative to advance women-led wealth, and directs philanthropy spanning children's education, renewable energy, clean water, and housing across emerging economies. Susan is based in Grand Cayman, Cayman Islands and Palm Beach, Florida, USA.
R. Adam Smith
Strategic Advisor
Empowering private companies and their owners since 1993: single family offices, financing, direct investing, investment banking, boards, and strategy. A veteran in private capital, M&A, corporate development, governance, and strategy.
Lita Nadine Quetnick
Board Advisor
30+ years in real estate. Principal, JENS Corporation. Board Member, The Silverair Group & The University Club. Former Pan American World Airways pilot in Germany. MBA (International Marketing). Stanford University & USC alumni.
Ruan Lindeque
Chief Investment Officer
Capital formation and investor engagement. Deep focus on macro, geopolitics, and AI-era allocation themes.
Rocco Lindeque
Head of Research & Trading
Frontier-technology and market intelligence translated into the briefings that inform every Frontier conversation.
Mia Milasevic
Head of Marketing & Advertising
Leads brand strategy, content development, social media, and go-to-market initiatives for Avestix Frontier. Also supports event promotion, strategic partnerships, investor outreach, and podcast marketing.
Jennifer Kapp
Head of Events
World-class luxury event direction across five-star venues globally. Two decades producing high-stakes experiences for discerning principals.
Gretchen Neville Polasek
Head of Partnerships & Business Development
20+ years in media, marketing and advertising. Brand building, commercial production, and high-value accounts across New England.
Serena Lancaster
Principal Enterprise Architect
Thirty-five years in information technology. Serena designs the data architecture and information systems underneath the Avestix Frontier community, and decides how knowledge is organised, secured and shared across it.
Arthur Cook
Head of Business Transformation
Arthur aligns business strategy with operational design across the community, turning long-term vision into the structures and processes families need to build and steward value.
Wyatt Polasek
IT & AI Systems Associate
Leads technology and infrastructure, keeping the firm’s systems and servers secure. Owns the controls protecting member and investor data, and the day-to-day technical support the team relies on.
Sarah Robertson
Head of Wellness
Seven years of international spa and wellness experience aboard cruise ships, across management, guest care and team leadership. Her background in fashion and User Experience design shows in how personally each guest experience is put together.
Darren Pearce
Head of Security
Ten years safeguarding patrons at Sydney’s most prestigious venues. Darren oversees safety and security aboard the Rhine Voyage, discreetly, for every principal and guest.
Hadleigh Abrahams
Head of Fitness & Training
Extensive experience in personal training, sports coaching and rehabilitation. Hadleigh runs the group and one-on-one sessions, building programs around strength, mobility, recovery and performance.
Tamsin Lancaster
Onboard Entertainment Director
An award-winning singer/songwriter and recording artist, heard Australia-wide as one of the select voices of the 2025 Business and Champion Awards, and on Sydney’s Northern Beaches producing jukebox musicals. Co-ordinates entertainment aboard.
