Elevating Technology.
Empowering Leaders.

The Cantwell Group delivers transformative technology strategies and executive advisory to navigate complex digital landscapes and accelerate business growth.

Discover Our Expertise

Strategic Technology Services

Leveraging decades of executive experience to solve your most critical technology challenges.

Executive Technology Advisory

Strategic counsel for C-suite leaders on digital roadmaps, platform modernization, and large-scale technology investments.

Engineering Transformation

Implementing elite SDLC processes, operational excellence frameworks, and data-driven engineering analytics to maximize productivity and system reliability.

Product & Platform Innovation

Guiding the conceptualization, design, and launch of cutting-edge software products and scalable platforms that drive market differentiation.

Organizational Development & Scaling

Architecting and nurturing high-performance global engineering teams, fostering cultures of innovation and continuous improvement.

The TCG Approach

The Cantwell Group, founded by Marc Cantwell, is a boutique advisory firm dedicated to partnering with executive leaders. We translate complex technology challenges into strategic advantages, focusing on pragmatic solutions that deliver measurable business value.

With a rich background spanning Fortune 500 enterprises and agile startups, Marc brings a unique blend of deep technical expertise and seasoned leadership. His philosophy centers on building high-performing teams, fostering engineering excellence, and driving innovation that aligns with core business objectives.

"Our mission is to empower organizations with the clarity and capabilities to not just navigate change, but to lead it." - Marc Cantwell

Delivering Tangible Results

Proven success in transforming technology landscapes and driving significant business outcomes.

Unified Global API Platform

Led the strategic design and integration of a unified API platform for a major media conglomerate, streamlining content delivery across multiple international streaming services.

Key Impact: Reduced time-to-market for new features by 40% and improved cross-platform consistency.

Cloud Cost Optimization Initiative

Spearheaded a comprehensive cloud infrastructure review and optimization strategy for a Fortune 100 retailer, identifying $25M+ in annual savings.

Key Impact: Achieved 15% reduction in cloud spend within 6 months while improving resource utilization.

Engineering Excellence Program Launch

Established an organization-wide Engineering Excellence program for a global logistics leader, implementing DORA metrics and significantly reducing incident rates.

Key Impact: Improved system uptime by 10% and cut critical incident resolution time by 50%.

Foundation of Expertise

Decades of leadership and strategic consulting at the intersection of technology and business innovation.

Walmart Commerce Technology

Head of Fulfillment & Transportation Tech

Global e-commerce logistics, marketplace expansion, $5M ARR contribution.

Maersk

Senior Director of Engineering

$30B+ Ocean business platform strategy, $150M value realization.

Disney Streaming

Head of Engineering Productivity & IT

Hulu/Disney+/Star+ API unification, Live TV platform development.

Amazon Web Services (AWS)

Software Development Manager

Launched AppSync Subscriptions & Amplify DataStore, significant operational cost reduction.

Andreessen Horowitz (a16z)

Consulting Partner (via Launch Brick Labs)

Built custom CRM to uncover talent and connections across portfolio companies.

RedBull

Lead Consultant (via Launch Brick Labs)

Developed innovative PhotoBooth for Red Bull events around the globe.

Oakley