STRATEGIC LEADERSHIP

Executive Board

The strategic leadership and governance authority of GEM Enterprise and Alliance Trust Realty.

CEO Oversight Active Verification In Progress

Executive Gallery

Executive Leadership
LD
Active

Leonard Diana

Chief Executive Officer & Founder

GEM Cybersecurity-Monitoring Assist + ATR

CEO and Founder of GEM Cybersecurity-Monitoring Assist and Alliance Trust Realty. Leading enterprise security operations, asset protection, and real estate trust services with a commitment to client-first integrity and compliance excellence.

Strategic Leadership Cybersecurity Business Development Trust Services
Verified Executive CEO Approved
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Executive / Realty / Security Governance
GS
Active

Gregor Stewart

Owner · Principal Consultant · Broker & Managing Partner

GEM + Alliance Trust Realty

Principal Consultant and Managing Partner bridging cybersecurity governance with real estate asset management across GEM and Alliance Trust Realty. Holds CISM certification with expertise in security-informed property investment and trust compliance.

Realty Governance Security Consulting Asset Management Compliance CISM
In Review CEO Pending
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Cybersecurity Leadership
SJ
Active

Sarah Johnson

Chief Information Security Officer

Global Financial Partners

Chief Information Security Officer with 15 years of experience in cybersecurity and financial services. CISSP and CISM certified specialist in enterprise threat defense architectures, regulatory compliance, and security program leadership.

Cybersecurity Financial Services Enterprise Threat Defense CISSP CISM
Verified Bio CEO Pending
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Operational Functions

LD

Leonard Diana

CEO / Founder

GEM Cybersecurity-Monitoring Assist + ATR

CEO and Founder of GEM Cybersecurity-Monitoring Assist and Alliance Trust Realty. Leading enterprise security operations, asset protection, and real estate trust services with a commitment to client-first integrity and compliance excellence.

Strategic Leadership Cybersecurity Business Development
Verified Executive Review Active
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FT

Financial Team Supports

Affiliate Financial Support

GEM + ATR

Affiliated financial support function managing financial oversight, affiliate coordination, and support operations within the GEM + ATR service ecosystem.

Affiliate Finance Support Operations Financial Oversight
Verified Function Evidence Required
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SO

Support Operations Desk

Client Support & Escalation

GEM + ATR

Central client support and escalation function for GEM + ATR. Manages client intake, routing, escalation workflows, and resolution coordination across all service lines.

Client Support Escalation Management Service Routing
Verified Function Not Required
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VB

VIP Board Desk

VIP Client Relationship Management

GEM + ATR

Restricted VIP client relationship management desk serving executive-tier stakeholders and board-level clients. Managed directly under CEO office oversight.

VIP Relations Executive Concierge Restricted Access Management
Verified Function Conditional
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50+

Countries Served

500+

Enterprise Clients

1M+

Threats Prevented

$50B+

Assets Under Coverage