Klaus Holder
AeroLeads people directory · profile

Klaus Holder Email & Phone Number

Software Developer at GC Associates USA, LLC
Location: Brookline, Massachusetts, United States 9 work roles 1 school
1 work email found @bestbuy.com 2 phones found area 203 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email k****@bestbuy.com
Direct phone (203) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Software Developer
Location
Brookline, Massachusetts, United States
Company size

Who is Klaus Holder? Overview

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

Quick answer

Klaus Holder is listed as Software Developer at GC Associates USA, LLC, a with 51 employees, based in Brookline, Massachusetts, United States. AeroLeads shows a work email signal at bestbuy.com, phone signal with area code 203, and a matched LinkedIn profile for Klaus Holder.

Klaus Holder previously worked as IT and Data Coordinator at Up Education Network and Information Technology Consultant at New Commonwealth Fund. Klaus Holder holds Bachelor Of Liberal Arts (Alb), Computer Science from Harvard Extension School.

Company email context

Email format at GC Associates USA, LLC

This section adds company-level context without repeating Klaus Holder's masked contact details.

{first}.{last}@bestbuy.com
86% confidence

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

Profile bio

About Klaus Holder

Dedicated Support and Optimization Engineer with a proven track record of efficiently managing diverse IT needs across multiple educational institutions. Over the past 5 years with UP Education Network in Boston, I have honed my expertise in troubleshooting building and user technology, implementing innovative automation solutions, budgeting for tech purchases, managing contracts and vendor relations, and effectively communicating with clients. My role involves overseeing technology for 3 schools, supporting 300 staff and 2000 students, and spearheading automation initiatives to expand operational efficiency.I am passionate about leveraging my technical skills and leadership experience to drive efficiency and innovation in the ever-evolving field of IT. Open to new opportunities and collaborations in the tech industry. Feel free to reach out for networking, collaboration, or discussions on IT and technology trends.Key Achievements:- Fully automated onboarding and offboarding processes using Google Apps Script (JavaScript), SQL, and Python, streamlining essential workflows.- Programmed Arduino Boards to auto-enroll Chromebooks, enhancing device management capabilities.- Created Azure printer apps across schools, automating application deployment to end-users via Microsoft Intune.- Introduced GAM scripting to workflows, significantly reducing time for recurring Google Admin tasks.- Managed technology upgrades across schools, interfacing with vendors to ensure project completion.Management and Leadership:- Led cross-functional teams and effectively communicated with stakeholders to ensure seamless technology integration.- Hired and trained interns for IT tasks, providing hands-on guidance through summer school setup tasks.Additional Experience:- As an Independent Contractor, successfully migrated a company's workspace from Google to Microsoft, demonstrating adaptability and versatility.Education:- Harvard University Extension School, ALB in Sciences (May 2017)Skills:JavaScript, Google Apps Scripting, CLI, Zendesk, Remote Technical Support, IT Project Management, Cisco Meraki MDM and Network Management, SQL, bash scripting, IT Documentation, G-Suite Administration, Slack, Zoom, Adobe Photoshop.Interests:Ludology, game development, hiking with my pup, Barb.

Listed skills include Os X, Mac, Iwork, Ilife, and 39 others.

Current workplace

Klaus Holder's current company

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

GC Associates USA, LLC
Gc Associates Usa, Llc
Software Developer
Brookline, MA, US
Employees
51
AeroLeads page
9 roles

Klaus Holder work experience

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

It And Data Coordinator

Current

Boston, Ma

▪ Automate solutions with Google Apps Script and Google Apps Manager to create user accounts and format user data▪ Manage technology at our 3 Boston schools supporting over 300 staff and 2000 Students.o Search for and create automation opportunities to expand role capacity.o Quickly and efficiently support 300 staff through ZenDesk’s ticketing system. o Programmed Arduino Boards to auto-enroll Chromebooks.o Created Azure printer apps across all schools to automatically push applications to end-users via Microsoft Intune.o Introduced GAM scripting to workflow greatly reducing time for recurring GAdmin tasks.o Regularly repair and maintain staff laptops, Chromebooks, iPads, and other classroom technology.o Oversee technology upgrades across schools and interface with vendors to ensure project completion.▪ Hire and train interns for our IT tasks, leading them through our summer school setup tasks.

Sep 2018 - Present

Information Technology Consultant

Boston, Massachusetts, United States

-Create and manage users, computers, and networked devices in Active Directory-Troubleshoot, support, and repair staff Macbooks- Recommended software solutions best suited to business needs- Backup and migrate users to Microsoft Exchange Online

Oct 2022 - Feb 2023

Private Programming Tutor

Self-Employed

Boston, Ma

● Provide personal and targeted programming lessons to clients using Java, in addition toassisting with homework● Developed a strategy for strengthening basic understanding of programming fundamentalsthrough the use of Minecraft as a learning tool● Guided the construction of a custom built PC, thereby demonstrating the relationshipbetween hardware components and software

Sep 2014 - Aug 2018

Freelance Web Developer Front-End Web Design

Self-Employed

Boston, Ma

● Design and create targeted responsive front-end websites using Foundation, React, and SASS● Effectively communicate design ideas, drafts, and implementation strategies to clients● Assist clients in aligning their marketing/content strategies to optimize UI/UX● Consulted regularly with clients on project status and technical issues

Aug 2015 - Sep 2017

Community Services Intern

Greater Boston Area

● Detailed and created maps of tech and community centers around the Greater Boston Area to coordinate events and activities as well as to have a visual depiction of access and coverage● Pulled data on local areas including education, income, health, and race

Nov 2014 - Aug 2015

Instructor/Ta - Adventures In 3D Game Design With Minecraft

Harvard

● Taught programming fundamentals to over 50 students aged 8-12, including instruction ofMinecraft modding through use of Java and Eclipse IDE● Contributed to daily lesson plans focusing on object-oriented basics such as methods, loops,polymorphism, encapsulation, and inheritance● Used debugging as a learning opportunity for students to strengthen coding practices

Jun 2014 - Aug 2014

Access And Disability Services Tech Intern

● Used Optical Character Recognition software to translate printed media for visually impairedstudents● Provided technical troubleshooting assistance and accessibility support for students andfaculty● Used Adobe Photoshop to create printed and digital media brochures, programs, and awards

Aug 2013 - Jun 2014

Specialist

Greater Boston Area

● Mobile device certified; tested, repaired, and serviced customers with damaged or malfunctioned iOSdevices● Member of the Visuals Team, ensured all products and sales floor layout are up-to-date. Responsible for imaging Mac computers with appropriate software in accordance to Apple’s own visual standards● Offered personable and warm customer service; processed transactions in a quick and professional manner; provided expert opinion on apple related hardware and products● Trained for back of house operations, runner requests, restocking, detailed planogram management, and inventory management

Sep 2011 - Aug 2013
Team & coworkers

Colleagues at GC Associates USA, LLC

Other employees you can reach at gcassociates-usa.com. View company contacts for 51 employees →

1 education record

Klaus Holder education

FAQ

Frequently asked questions about Klaus Holder

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

What company does Klaus Holder work for?

Klaus Holder works for GC Associates USA, LLC.

What is Klaus Holder's role at GC Associates USA, LLC?

Klaus Holder is listed as Software Developer at GC Associates USA, LLC.

What is Klaus Holder's email address?

AeroLeads has found 1 work email signal at @bestbuy.com for Klaus Holder at GC Associates USA, LLC.

What is Klaus Holder's phone number?

AeroLeads has found 2 phone signal(s) with area code 203 for Klaus Holder at GC Associates USA, LLC.

Where is Klaus Holder based?

Klaus Holder is based in Brookline, Massachusetts, United States while working with GC Associates USA, LLC.

What companies has Klaus Holder worked for?

Klaus Holder has worked for Gc Associates Usa, Llc, Up Education Network, New Commonwealth Fund, Self-Employed, and Masshousing.

Who are Klaus Holder's colleagues at GC Associates USA, LLC?

Klaus Holder's colleagues at GC Associates USA, LLC include Shina Donaldson, Christos Snear, Zaleah Inniss, Shanay Daniels, and Misty Green.

How can I contact Klaus Holder?

You can use AeroLeads to view verified contact signals for Klaus Holder at GC Associates USA, LLC, including work email, phone, and LinkedIn data when available.

What schools did Klaus Holder attend?

Klaus Holder holds Bachelor Of Liberal Arts (Alb), Computer Science from Harvard Extension School.

What skills is Klaus Holder known for?

Klaus Holder is listed with skills including Os X, Mac, Iwork, Ilife, Ios, Microsoft Office, Customer Service, and Mac Os.

Find 750M verified contacts

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

People with similar names

Check these profiles if this is not the Klaus Holder you were looking for.

View similar profiles