Meet Our Team

Certified Experts Driving Cybersecurity Excellence

Duration

Ongoing Collaboration

Continuous engagement and client support

Team Size

4 experts

Expanding as project needs evolve

Scope

Security Strategy & Implementation

End-to-end expertise across infrastructure, identity, and data

Overview

At Spherium, our strength lies in our people — a dedicated team of cybersecurity professionals who combine deep technical expertise with hands-on experience across enterprise environments.
From identity and endpoint protection to cloud governance and incident response, our specialists work collaboratively to help organizations build resilient, compliant, and future-ready security programs.

Our consultants hold industry-leading certifications and have worked on complex deployments for clients across finance, healthcare, government, and education sectors — delivering measurable outcomes and long-term security maturity.

Core Expertise
Our Leadership Team

Alex Kreydin | The Strategy Architect with a Bluesman Soul, Co-Founder

When he’s not architecting complex identity systems or configuring Microsoft Sentinel playbooks, Alex Kreydin might be found bending a blues riff on his Telecaster or pushing through a heavy lifting session while plotting the next Spherium breakthrough.
A lifelong technologist turned entrepreneur, Alex blends precision engineering with creative improvisation — whether he’s designing Microsoft Sentinel or other SIEM platforms like Rapid7, integrating the Delinea and CyberArk platforms to enhance privileged access management, or strengthening credential security across hybrid environments.

Specialties: Microsoft XDR, Threat Hunting, Security Automation, Device Configuration, Identity Architecture, SIEM Design (Sentinel, Rapid7), Delinea & CyberArk Integration, Privileged Credential Security.

Daniel Ruvinsky | The Technologist Turning Complexity into Clarity, Co-Founder

Daniel is an accomplished solution architect with over 2 decades of experience designing and deploying SaaS platforms, building scalable cloud infrastructures, and leading cybersecurity initiatives. As Spherium’s Chief Technology Officer, he oversees cloud architecture, cybersecurity, client services, and technical operations — ensuring that every solution meets the highest standards of performance, reliability, and security.

With a strong foundation in software engineering and business strategy, Daniel has a proven record of guiding complex projects from concept to deployment. His leadership combines deep technical expertise with a pragmatic understanding of business and financial priorities, helping clients achieve efficiency and measurable results.

Specialties: Google Workspace Security, Cloudflare Security, Zero Trust Architecture, AWS Cloud Infra, WordPress Deployment and Security, Microsoft 365 Security, Entra ID, Intune, Conditional Access.

Evgeny Lysikov | The Architect Behind Secure Cloud Foundations

When he’s not fine-tuning Intune policies or analyzing Defender XDR telemetry, Evgeny might be sketching out a new security model or exploring the latest cloud protection trends. A detail-driven cybersecurity architect, he specializes in transforming complex Microsoft 365 environments into secure, scalable ecosystems.

Evgeny blends strategic vision with technical precision — designing Conditional Access frameworks in Entra ID, automating device compliance through Intune, and optimizing threat visibility with Sentinel. His expertise ensures that every control supports resilience, compliance, and business continuity.

Specialties: Microsoft 365 Security, Entra ID, Intune, Defender XDR, Sentinel, Conditional Access, Cloudflare Security, Zero Trust Architecture.

Wilkin Sanchez | The Analyst Who Turns Insight Into Action

When he’s not deep in a KQL query or refining an Intune deployment, Wilkin is likely exploring new ways to automate detection and response workflows. A seasoned Information Security Analyst with over six years of experience, he bridges hands-on technical skill with a drive for continuous improvement.

Wilkin’s expertise spans Terraform, threat hunting, and incident response, with proficiency across Azure, AWS, Oracle, Intune, and Microsoft 365. He leverages Microsoft Defender, Sentinel, and EDR solutions like SentinelOne, CrowdStrike, and Morphisec to deliver resilient cloud security operations. Passionate about mentorship, he helps teams strengthen their technical depth while fostering a culture of learning and innovation.

Specialties: Threat Hunting, Microsoft Defender, Sentinel, Terraform, Intune, Power Automate, Azure Security, EDR Platforms, SIEM Integration, Incident Response.

Our Approach

We combine strategic insight with operational precision. Each engagement is guided by Spherium’s core principles:

  • Tailored Security by Design: Aligning every control with your business objectives.

  • Continuous Improvement: Adapting protection as threats evolve.

  • Collaborative Partnership: Acting as an extension of your internal security team.

Let’s talk