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The People Behind
Every Outcome

Cold Sun Enterprise is a team of practitioners — consultants who have delivered implementations, not just designed them. Every piece of advice we give is grounded in real delivery experience.

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150+
Projects delivered across Salesforce and NetSuite
20yrs
Combined platform expertise on the team
100%
Focus on outcomes from strategy to execution
Leadership Philosophy

Practitioners, Not Theorists

Every member of the Cold Sun leadership team has delivered Salesforce and NetSuite implementations — not just advised on them. This means the guidance we provide comes from experience, not frameworks.

We believe the best consulting advice comes from people who have sat in the same rooms, solved the same problems, and lived with the consequences of the same architectural decisions that our clients face.

Cold Sun leadership
Meet the Team

Leadership & Senior Practitioners

Erik Wiltjer
Erik Wiltjer
Founder & CEO
Erik Wiltjer is an Enterprise Architect specializing in enterprise platforms, security, and value-driven technology transformation. With over a decade of experience, he has led large-scale transformations across utilities, manufacturing, and telecommunications — spanning Salesforce, ServiceNow, SAP, NetSuite, and Sage. Known for combining architectural rigor with execution speed, Erik reduces complexity, accelerates ROI, and delivers resilient, future-ready solutions.
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Christopher Matthews
Christopher Matthews
VP, Delivery
Chris is the Founder of the Phoenix Group — spanning Consulting, Capital, Engineering, and Managed Services. He built the firm around a partner-first philosophy, where clients are treated as long-term collaborators, not just accounts.
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Carlos Patino
Carlos Patino
Practice Lead, Salesforce
Carlos is a Solution Architect and certified Salesforce specialist spanning Admin, Service Cloud, Field Service, Data Cloud, and AI. He brings deep cross-industry experience in Gas and Telecommunications, backed by a technical foundation in IT management and SQL development.
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Ethan Ackerman
Ethan Ackerman
Practice Lead, MuleSoft Architecture
Ethan is a Principal Technical Architect with over 20 years of experience in Field Service Management and enterprise systems integration across Salesforce and MuleSoft. A systems thinker and collaborative leader, he brings deep technical expertise and a track record of solving complex integration challenges.
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Mehuli Seth
Mehuli Seth
Scrum Master
Mehuli is a Certified ScrumMaster and Business Systems Analyst with expertise in web-based and client-server deployments across Banking and Financial domains. She excels in requirements engineering, process modelling, and bridging the gap between technical teams and business stakeholders.
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Damien Vernon
Damien Vernon
Practice Lead, LeadGen & Marketing
Damien is the Practice Lead for Lead Generation and Marketing at Cold Sun Enterprise, focused on driving client acquisition and growth through modern marketing systems, automation strategies, and scalable demand generation.
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Fawwaz Uddin Mohammed
Fawwaz Uddin Mohammed
Business Analyst
Fawwaz is a Software Engineer with 3+ years of experience building scalable backend systems, data pipelines, and full-stack solutions in Python, Java, and SQL. He holds an MS in Computer Science from Illinois Tech and specialises in turning complex requirements into production-ready software.
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How We Work

What You Can Expect From Every Cold Sun Engagement

Direct, honest advice

We tell you what we actually think — including when we believe a different approach would serve you better.

Clear scope, no surprises

Fixed-scope engagements where possible. Every change is assessed and approved before work begins.

First value in 10 days

Visible business impact within 10 days of every engagement start — not just at the end of a long project.

We stay after go-live

Adoption, optimization, and ongoing partnership — we're measured by outcomes, not project closure.

Join the Cold Sun Team

Cold Sun is a growing firm looking for experienced Salesforce and NetSuite consultants who want to do their best work with great clients and a team that takes delivery seriously.

See Open Roles →
Erik Wiltjer