The Team & Advisors | Perspectiv
GOVERNANCE & LEADERSHIP

The Architecture Team.

Built to see the system from every angle.

Different layers.
One standard.

Perspectiv does not operate like a conventional agency. We do not assemble teams around campaigns, channels, or tactics. We assemble around architecture.

The team exists to ensure that when Perspectiv evaluates an entity, the diagnosis is not narrow, fashionable, or channel-led. It is structural.

The people responsible for the architecture.

Each member of the Perspectiv leadership team owns a distinct layer of the system.

01
Sax Greenway

Sax Greenway

Founder & Commercial Systems Architect

"Light blinds at the source. The problem is rarely where everyone is looking."

Sax Greenway is the Founder and Commercial Systems Architect of Perspectiv, bringing over 25 years of experience in identifying and structuring commercial evolution. His expertise lies at the intersection of behavioral science, technical systems, and market-ready architecture, specializing in bridging the gap between product value and digital truth.

Throughout a career defined by early identification of structural shifts, Greenway pioneered commercial models in behavioral web architecture, native advertising, and omnichannel commerce. His track record includes the strategic redesign of complex B2B digital transformations with a focus on human adoption and socio-technical risk mitigation long before these became industry standards.

At Perspectiv, Greenway oversees the deployment of his proprietary systems: Sovereign Enterprise Protocol, Sovereign Principal, and Sovereign Infrastructure.
His work has consistently focused on the same pattern: See the shift early. Architect before consensus. Build the system the market later needs. Perspectiv is the next expression of that pattern, bringing Sovereign Enterprise Protocol, Sovereign Principal, and Sovereign Infrastructure to a world where businesses and individuals are increasingly interpreted by synthetic systems before direct contact ever occurs.
02
Marinka Sjoberg

Marinka Sjoberg

VP of Strategic Partnerships

"I turn relationships into strategic momentum. The right alliance can change the trajectory of an entity before the market realises why."

Marinka Sjoberg serves as the Vice President of Strategic Partnerships at Perspectiv, where she directs the relationship layer essential for high-stakes commercial momentum. She brings over 30 years of specialized experience in international communication, negotiation, and stakeholder management across complex institutional and private-client environments. Sjoberg’s expertise is centered on the identification and cultivation of strategic alliances that accelerate trust and market access. Her career has been defined by the ability to navigate sophisticated networks of advisors, institutions, and introducers, turning traditional networking into a structured architectural component of business growth. Within the Perspectiv framework, Sjoberg ensures that partnership strategies are aligned with long-term commercial goals rather than short-term visibility. She facilitates the precise connections required to move high-value entities through strategic pathways, ensuring that access and influence are managed with systemic precision.
03
Lee Baker

Lee Baker

VP of Operations

"I turn strategic intent into operational reality. My focus is precision, sequence, and making sure the system can carry the weight of the opportunity."

Lee Baker is the Vice President of Operations at Perspectiv, responsible for the translation of complex strategic architecture into rigorous operational reality. With a 35-year background in operational leadership, she specializes in the design and refinement of execution systems that maintain organizational stability during periods of rapid scale or transformation. Baker’s career is anchored in precision and sequence, having managed large-scale delivery systems that balance efficiency with measurable outcomes. Her methodology focuses on minimizing operational drag and ensuring that every component of a commercial system is accountable and aligned with the overarching strategic diagnosis. At Perspectiv, Baker provides the discipline necessary to move architectural corrections from theory to implementation. Her role is to ensure that strategic shifts occur without creating internal noise or confusion, providing the structural maturity required for an entity to carry the weight of new commercial opportunities.
04
Arthur Legere

Arthur Legere

VP of Scale & Alliances

"Scale is not just more activity. It is the right structure, the right alliances, and the right sequence of moves."

Arthur Legere is the Vice President of Scale & Alliances at Perspectiv, specializing in the implementation pathways and alliance structures required for scalable commercial momentum. He brings 25 years of experience in management and high-level program leadership, focusing on the intersection of strategic intent and real-world execution. Legere’s expertise lies in scale architecture, specifically the sequencing and prioritization of moves required to grow an entity without losing systemic control. His professional background is marked by a deep understanding of how complex ambitions are supported by robust partnership frameworks and disciplined operating rhythms. At Perspectiv, Legere translates architectural diagnoses into actionable scale plans. He works closely with clients and partners to ensure that growth is supported by the right alliances and structural integrity, preventing ambition from outrunning the underlying operational capacity.
05
Dr Isabel Castillo

Dr Isabel Castillo

Director of Signals & Quantitative Intelligence

"Data only matters when it is interpreted accurately. My role is to separate useful signal from assumption, noise, and unsupported belief."

Dr Isabel Castillo is the Director of Signals & Quantitative Intelligence at Perspectiv, providing diagnostic discipline and quantitative precision to the firm’s assessment layer. As a licensed medical doctor, she brings a secondary layer of professional rigor derived from high-stakes clinical and international healthcare environments.

Castillo’s career spans multiple sectors, including fintech, e-commerce, and regulated operations, where she specialized in interpreting complex data into actionable insight. Her strength lies in the systematic separation of authentic signal from assumption, ensuring that organizational truths are grounded in verifiable quantitative intelligence.

At Perspectiv, Castillo ensures the integrity of Sovereign Enterprise Protocol assessments by identifying where signals are distorted by incomplete information or weak interpretation. She plays a critical role in verifying that the architecture of trust is built on a foundation of data-driven intelligence rather than speculation.
STRATEGIC ADVISORY

Institutional perspective where it matters.

Eduardo R. Abreu

Eduardo R. Abreu

Strategic Advisor, Institutional Trust & Digital Asset Infrastructure

"Trust infrastructure is not theoretical. It has to operate inside real markets, regulated systems, payment networks, asset platforms, and institutional environments."

Eduardo R. Abreu brings senior leadership experience across institutional asset management, digital assets, blockchain product strategy, payments infrastructure, and regulated financial systems. His background includes leadership roles within major global financial institutions, including an S&P 100 payments network and leading asset-management environments, where trust, verification, product integrity, regulatory pressure, and institutional adoption are operational realities - not abstract concepts.

At Perspectiv, Eduardo strengthens the firm’s perspective on digital trust infrastructure, emerging financial systems, identity verification, blockchain-enabled commerce, and the commercial realities of operating in markets where credibility must be engineered into the system. His advisory role supports Perspectiv’s work with high-value businesses, significant individuals, and trust-sensitive entities whose digital identity, reputation, commercial position, or institutional credibility must be accurately understood.

Anexpertlyengineeredcommercialsystemhitsmuchharderthanjustbeingeverywhere.

Perspectiv exists for exceptional businesses and significant individuals whose value, identity, or commercial system is being misread by the market.

Some will seek us out. Others we will identify from the outside because the issue is already visible.