Ronald Gruben
AeroLeads people directory · profile

Ronald Gruben Email & Phone Number

Sr. Consultant at John D. Goldberg at The John D. Eisenfelt Principle
Location: The Randstad, Netherlands, Netherlands 5 work roles 3 schools
1 work email found @eisenfelt.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email r****@eisenfelt.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
The John D. Eisenfelt Principle
Role
Sr. Consultant at John D. Goldberg
Location
The Randstad, Netherlands, Netherlands
Company size
7 employees

Who is Ronald Gruben? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Ronald Gruben is listed as Sr. Consultant at John D. Goldberg at The John D. Eisenfelt Principle, a company with 7 employees, based in The Randstad, Netherlands, Netherlands. AeroLeads shows a work email signal at eisenfelt.com and a matched LinkedIn profile for Ronald Gruben.

Ronald Gruben previously worked as Sr. Consultant at John D. Goldberg and Sr. Principal at The John D. Eisenfelt Principle. Ronald Gruben studied at University Of Connecticut.

Company email context

Email format at The John D. Eisenfelt Principle

This section adds company-level context without repeating Ronald Gruben's masked contact details.

{first}{last}@eisenfelt.com
89% confidence

AeroLeads found 1 current-domain work email signal for Ronald Gruben. Compare company email patterns before reaching out.

View email format View company profile Management contacts
Profile bio

About Ronald Gruben

Ronald Gruben is a Sr. Consultant at John D. Goldberg at The John D. Eisenfelt Principle. He possess expertise in management consulting, strategy, management, sales management, program management and 25 more skills. He is proficient in French, English and German. Colleagues describe him as "For me, Ronald is the ultimate example of a valuable leader who can lead and get complex change and development processes par excellence. He not only has an eye for the importance of his own projects, but at least as much for the other projects, which affect his existing projects or link up with them, so that they also improve and are completed within budget and deadline. His powerful personal way of communicating, directing, activating and motivating is always energetic, clear and… Show more" and "I worked with Ronald to implement a complex solution for Unirobe Meeus that involved integrations a between a number of systems. Some were legacy and some were new implementations, including ours. This meant that there were significant system and cross-team dependencies in addition to satisfying the IT and the business unit who were presenting very custom sets of requirements. Lastly, the company was organized with significant security measures and segregation between teams that made… Show more"

Listed skills include Management Consulting, Strategy, Management, Sales Management, and 26 others.

Current workplace

Ronald Gruben's current company

Company context helps verify the profile and gives searchers a useful next step.

The John D. Eisenfelt Principle
The John D. Eisenfelt Principle
Sr. Consultant at John D. Goldberg
oudewater, utrecht, netherlands
Website
eisenfelt.com
Employees
7
AeroLeads page
Company profile
View company profile Email format
5 roles · 30 years

Ronald Gruben work experience

A career timeline built from the work history available for this profile.

Sr. Consultant

Current
John D. Goldberg

Nederland

John D. Goldberg ondersteunt sinds 2002 klanten bij hun transformaties, groot en klein. In eerste instantie vooral vanuit een trainings- en opleidingsvisie, de laatste tijd vooral op het snijvlak van business en IT. In mijn rol als Sr. Consultant heb ik ruime ervaring op het gebied van Business Process Management en Customer Relationship Management. Ik heb.

Oct 2004 - Present

Sr. Principal

Current
The John D. Eisenfelt Principle

Nederland

I am a Sr. Principal for The John D. Eisenfelt Principle, which is specialized in building customer focused organizations and sales performance improvement programs. Our specialties include the implementation of sales methodologies, CRM systems and other support tools, performance audits, customer panels and customer research. Our goal is to help our.

2002 - Present ~24 yrs 4 mos

Senior Consultant

Siemens Business Services International

As a Senior consultant for Siemens Business Services International I worked from Frankfurt, Germany. During my time with SBS Int., I was a project manager for desiging, building and operating the first virtual life insurance company in Europe. Furthermore, I was responsible for CRM implementations, especially Siebel, with a large multinational Telco.

2000 - 2002 ~2 yrs

Account Manager

Siemens Nixdorf

I was responsible for selling industry specific and general IT solutions to the financial industry. I was responsible for ING worldwide. My areas of attention were payment processing solutions (OLO's, OLA's, UV fraude detection systems), ATM's and ATM platform software, business process outsourcing.

1998 - 2000 ~2 yrs

Sales Executive

Triple P

Responsible for sales of consumer credit rating and credit approval software to the financial industry.

1996 - 1998 ~2 yrs
Team & coworkers

Colleagues at The John D. Eisenfelt Principle

Other employees you can reach at eisenfelt.com. View company contacts for 7 employees →

MC Michel Coenen Michel Coenen Colleague at The John D. Eisenfelt Principle Amsterdam, North Holland, Netherlands, Netherlands View → JD John D. Eisenfelt John D. Eisenfelt Colleague at The John D. Eisenfelt Principle Oudewater, Utrecht, Netherlands, Netherlands View → MP Michiel Poppen Michiel Poppen Colleague at The John D. Eisenfelt Principle Amsterdam, North Holland, Netherlands, Netherlands View →
3 education records

Ronald Gruben education

Gymnasium

Bernardinus College
FAQ

Frequently asked questions about Ronald Gruben

Quick answers generated from the profile data available on this page.

What company does Ronald Gruben work for?

Ronald Gruben works for The John D. Eisenfelt Principle.

What is Ronald Gruben's role at The John D. Eisenfelt Principle?

Ronald Gruben is listed as Sr. Consultant at John D. Goldberg at The John D. Eisenfelt Principle.

What is Ronald Gruben's email address?

AeroLeads has found 1 work email signal at @eisenfelt.com for Ronald Gruben at The John D. Eisenfelt Principle.

Where is Ronald Gruben based?

Ronald Gruben is based in The Randstad, Netherlands, Netherlands while working with The John D. Eisenfelt Principle.

What companies has Ronald Gruben worked for?

Ronald Gruben has worked for John D. Goldberg, The John D. Eisenfelt Principle, Siemens Business Services International, Siemens Nixdorf, and Triple P.

Who are Ronald Gruben's colleagues at The John D. Eisenfelt Principle?

Ronald Gruben's colleagues at The John D. Eisenfelt Principle include Michel Coenen, John D. Eisenfelt, and Michiel Poppen.

How can I contact Ronald Gruben?

You can use AeroLeads to view verified contact signals for Ronald Gruben at The John D. Eisenfelt Principle, including work email, phone, and LinkedIn data when available.

What schools did Ronald Gruben attend?

Ronald Gruben studied at University Of Connecticut.

What skills is Ronald Gruben known for?

Ronald Gruben is listed with skills including Management Consulting, Strategy, Management, Sales Management, Program Management, Account Management, Consulting, and Crm.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.