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  • Microsoft Solutions
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    • Ongoing Support + Managed Services
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      • Office 365
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      • Excel Services
      • SharePoint
      • Exchange/Lync
      • Mobile
  • ERP/SAP Solutions
      • Global Organization Readiness
      • Stakeholder + Capabilities Assessment
      • Future State Organizational Structure
      • Transition Management
      • ERP Tool Selection
      • ESC Advisement
      • Quick Start Activation
      • Value Engineering
      • Benefits Realization
      • Proven Implementation Strategy
      • System Simplification
      • SAP Database Migration
      • SAP Bolt-On Implementation
      • Risk Mitigation
      • Compliance Strategy
      • Validated Checkpoints
      • Project Exit Criteria
      • Post Go-Live Strategy
      • Assess In-House/Outsource
      • Assess Onshore/Offshore
      • Verification of Support Model/ERP Governance
      • Senior Functional (certified)
      • Technical (certified)
      • Program/ Project Management (certified)
      • Change Management (certified)
      • Release Management
      • Testing (certified)
      • GRC (certified)
      • Value Engineering (certified)
      • ALM Suite
      • CRM
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  • Managed Services
      • Helpdesk
      • Enterprise Service Desk
      • Server + Network Management
      • Desktop Support
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      • Monitoring/Reporting
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  • Staffing Solutions
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      • Managers + Directors
      • VPs + CIO/CTOs
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      • Desktop + Helpdesk

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Prosum: Home

When we talk tech,
we talk about people

It’s a simple philosophy: great technology begins with great teams.
And it’s why more and more companies trust Prosum with
their IT solutions.

Because success grows
from partnerships

California Endowment

‘Doing what’s right’: it’s an everyday mission at The California Endowment, a foundation focused on healthcare issues and access for underserved communities. We’d also like to think that it typifies the work Prosum has done for The Endowment.

Consultative selling, strategic partnerships, Microsoft solutions, public speaking and facilitation, road mapping and planning, soccer team, team prosum

Mark Maruyama

Director, Solution Sales

Consultative selling, strategic partnerships, Microsoft solutions, public speaking and facilitation, road mapping and planning, soccer, snowboarding and community volunteering.

VCA & Prosum

Our agreement with VCA Animal Hospitals is a bit unique. But it didn’t start that way. It began as a standard proof of concept for...

Consultative selling, strategic partnerships, Microsoft solutions, public speaking and facilitation, road mapping and planning, soccer team, team prosum

Mark Maruyama

Director, Solution Sales

Consultative selling, strategic partnerships, Microsoft solutions, public speaking and facilitation, road mapping and planning, soccer, snowboarding and community volunteering.

Outsourcing for Nova

Annette, Nova’s General Manager and a power user, found herself going desk to desk, fixing email and re-installing software. Clearly, Nova had outgrown its one-man IT staff.

Jay_Prosum Headshot_MG_8578

Jay Groves

Sr. IT Manager, Infrastructure Services

IT operations, cloud computing, IT strategy, server administration, wireless networking, coaching and playing soccer and steel sculpture.

Partner with us

I am
Interested in
Interested in
At
At
Staffing services, consulting services, business development, team building and leadership.

Josh Tofteland

Vice President, Los Angeles Market

Let’s help you get the right people on board. Shoot me an email about what you need and we’ll connect soon.

Let’s connect!

Consultative selling, strategic partnerships, Microsoft solutions, public speaking and facilitation, road mapping and planning, soccer team, team prosum

Mark Maruyama

Director, Solution Sales

Our Microsoft team is ready to help. Just tell me what you need and we’ll be in touch.

Let’s connect!

Business transformation and global SAP program executive, SAP, PMP 7, 6 Sigma certified

Tammy Amirault

VP, Management Consulting & ERP

Prosum loves SAP. Drop me a line and let’s talk about your goals.

Let’s connect!

IT solutions, Los Angeles, Denver, Irvine, OC, LA

Marie Marko

Senior Manager

Send me an email and we’ll help you get IT that works smarter and more efficiently.

Let’s connect!

Outsourced staff management, Improved IT satisfaction scores, Best in technology IT services, IT advising and consultation, Outsourced services coordination, Better service, Reduced cost of technology, Demanding clientele, Servicing the experts

Prosum Job Opportunities

Send Us Your Resume

Let’s find out where you want to be next. Connect with us on LinkedIn below. 

Thanks for reaching out. We look forward to getting to know the person behind the resume.

Take in some
of our insights

Problem solving, strategic IT, CEO, IT solutions, cloud, microsoft, founder

Ravi Chatwani

Co-Founder and Co-CEO

Inspiring people to take responsibility for the future, rapping and enjoying happy hours.

Get Your IT Flowing

Several years ago, I met Ken Venner, who, at the time, was CIO of Broadcom. Ken talked about IT and corporate services being “like air”...

Problem solving, strategic IT, CEO, IT solutions, cloud, microsoft, founder

Ravi Chatwani

Co-Founder and Co-CEO

Inspiring people to take responsibility for the future, rapping and enjoying happy hours.

IT Hostage Situation

In my last article, I outlined four levels you can use to measure each of your departments’ operations: Obstacle, Utility, Enabler and Differentiator. Did you...

Problem solving, strategic IT, CEO, IT solutions, cloud, microsoft, founder

Ravi Chatwani

Co-Founder and Co-CEO

Inspiring people to take responsibility for the future, rapping and enjoying happy hours.

Rethink Your Depts.

Offices have long had ‘fronts’ and ‘backs.’ The front is what the customers see: Sales, Customer Service, Leadership, etc. The back is the operational stuff:...

We Make Technology Human

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