Team
Leadership with Integrity and Global Reach
EXPERIENCED LEADERSHIP · U.S. REGULATION · GLOBAL MARKET DEPTH
At Billsas Securities Ltd, our leadership team brings together decades of experience from Wall Street institutions, global equity markets, cross-border regulatory frameworks, quantitative research, cybersecurity, and international investment management.
Each executive contributes deep domain expertise—ranging from trading technology and portfolio strategy to risk governance and institutional operations.
Together, our multidisciplinary leadership group is united by a single standard:
to deliver secure, compliant, transparent, and globally accessible investment services built on U.S. regulatory integrity and long-term value creation.
Jonathan W. Mercer
Chief Executive Officer (CEO)
With 27 years of experience across Wall Street and global investment banks, Jonathan Mercer has led cross-border asset initiatives, international capital routes, and large-scale institutional custody structures. As CEO of Billsas Securities Ltd, he oversees global strategy, market expansion, and the firm’s long-term regulatory alignment.
Anthony Caldwell
Chief Operating Officer (COO)
A former operations leader at a well-known institution, Anthony specializes in workflow optimization, compliance operations, and multi-team coordination. He ensures that Billsas maintains high operational discipline, standardized processes, and scalable client-service frameworks across all regions.
Vincent Nakamura
Chief Technology Officer (CTO)
Previously a senior consultant to the Tokyo Stock Exchange trading core, Vincent brings deep expertise in high-frequency execution, market data compression, cybersecurity architecture, and risk-isolated trading engines. He leads all trading systems, data infrastructure, and AI-driven risk modules.
Leonard Kessler
Chief Risk Officer (CRO)
With over 12 years at UBS’s global risk division, Leonard has extensive experience in AML/KYC frameworks, risk modeling, and capital requirements collaboration. At Billsas, he directs the firm’s enterprise risk architecture and interfaces with regulators.
Amanda Kingsley
Head of Institutional Coverage
Amanda has served major family offices, pension funds, and sovereign entities across London and Europe. She oversees institutional relationships, long-term allocation strategy, and cross-border advisory mandates.
Fahd Al-Hazmi
Chief Market Analyst
A veteran with 25 years of Middle Eastern and U.S. market research experience, Fahd has managed institutional equity strategies exceeding USD 6 billion. He specializes in energy cycles, global valuation models, and long-term compounding frameworks.
Elena V. Moretti
Executive Assistant to the CEO
Elena V. Moretti serves as Executive Assistant to the CEO, leveraging ten years of high-level administrative leadership from top investment banks and consulting firms. She is the strategic hub behind cross-border operations and executive communication.
Christopher Murgan
Head of Asset Allocation
Formerly with BlackRock’s Global Multi-Asset team, Christopher spent ten years designing cross-market rotation strategies and building institutional-grade portfolio structures. He now leads global allocation and regional weighting frameworks at Billsas.
Julian Roth
Head of Regulatory Affairs
A former member of the SEC’s review division, Julian brings unmatched expertise in U.S. securities laws, cross-jurisdiction regulation, disclosure standards, and data reporting protocols. He ensures all Billsas operations align with SEC/MSB obligations.
Naomi Tachibana
Head of Cybersecurity
Previously part of SoftBank Cyber Lab, Naomi specializes in penetration testing, data isolation, firewall architecture, and behavioral anomaly scanning. She manages all platform security and privacy protection mechanisms.
Mason Ellington
Head of Global Client Services
Mason previously managed multi-country support operations at a major global brokerage. He develops service workflow models, SLA standards, and multi-time-zone support layers to ensure responsive and consistent client experiences.
Ricardo Villanova
Head of International Expansion
With prior leadership experience at IberCapital, Ricardo drives Billsas’ market-entry initiatives across LATAM and Asia-Pacific. He specializes in partnership negotiation, regulatory entry strategy, and multi-country business implementation.
A Truly Multinational Team
Our leadership team reflects the global reach of Billsas Securities Ltd, bringing together seasoned professionals with decades of experience across the U.S., Europe, the Middle East, and Asia. Each member contributes specialized insight from major financial centers, regulatory systems, and multi-market investment environments—working together under one unified compliance framework and long-term strategic vision.
Deeply embedded in their respective regions and disciplines, our executives combine U.S. regulatory expertise with global market intelligence. This allows Billsas to deliver both internationally aligned strategy and locally informed execution with precision, transparency, and unwavering professionalism.