John Barnum
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John Barnum Email & Phone Number

Customer Supply Analyst at AptarGroup S.A.
Location: Greater Milwaukee, United States, United States 5 work roles 1 school
1 work email found @wi.rr.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Current company
Role
Customer Supply Analyst
Location
Greater Milwaukee, United States, United States

Who is John Barnum? Overview

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Quick answer

John Barnum is listed as Customer Supply Analyst at AptarGroup S.A., based in Greater Milwaukee, United States, United States. AeroLeads shows a work email signal at wi.rr.com and a matched LinkedIn profile for John Barnum.

John Barnum previously worked as Senior Analyst - Order Management, at Harley-Davidson Motor Company and Customer Operations Manager at GE Healthcare at Ge Healthcare. John Barnum holds Bachelor Of Science - Bs, Economics from University Of Wisconsin-Madison.

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Email format at AptarGroup S.A.

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*@wi.rr.com
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Profile bio

About John Barnum

As a dynamic operations leader with over 15 years of experience, I specialize in transforming processes and optimizing systems to enhance efficiency and customer satisfaction. My expertise includes order management, project management, and operational improvements, consistently delivering measurable results.At Harley-Davidson, I managed the $3B Order-to-Cash cycle, streamlining processes to improve order accuracy by 15% and significantly reduce processing times. This focus on operational excellence contributed to $1M in monthly revenue recognition and achieved over 99% compliance during audits.Previously at GE Healthcare, I advanced service delivery and operational efficiency in the Life Care Solutions Service business, leading initiatives that boosted service efficiency by 10% and generated $1M in annual revenue growth.With strong skills in process creation, operational efficiency, and stakeholder engagement, I leverage tools like SAP, Oracle, and Salesforce to drive data-driven decisions and foster collaboration.I’m passionate about building strong teams and delivering exceptional service that fosters lasting relationships. Let’s connect to explore how I can help your organization achieve operational excellence!

Current workplace

John Barnum's current company

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AptarGroup S.A.
Aptargroup S.A.
Customer Supply Analyst
Milwaukee, WI, US
AeroLeads page
5 roles · 18 years

John Barnum work experience

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

Senior Analyst - Order Management,

  • Managed end-to-end Order-to-Cash (O2C) cycle for vehicle transactions, including intercompany and dealer orders, supporting $3B in annual revenue. Owned pricing implementation, system monitoring, and order processing.
  • Optimized Order-to-Cash (O2C) processes: Identified and resolved I-Doc errors in SAP ERP, reducing order execution time by 15% and cutting manual intervention by 20 hours per week.
  • Increased Revenue Recognition: Enhanced order management and inventory control systems, driving an additional $1M in monthly revenue recognition by improving order accuracy and tracking.
  • Improved Fulfillment Efficiency: Collaborated with cross-functional teams to implement tactical initiatives, reducing past due fulfillment by 10% and ensuring alignment with key performance indicators (KPIs) and.
  • Ensured Compliance and Audit Readiness: Led internal and external audits to validate controls and processes, achieving a 99% compliance rate.
  • Enhanced Stakeholder Support: Delivered proactive troubleshooting and issue resolution for internal teams and dealer network, ensuring seamless operational performance and high satisfaction.
2021 - 2024 ~3 yrs

Customer Operations Manager At Ge Healthcare

Milwaukee, Wisconsin, United States

  • Led operational improvements within the Life Care Solutions Service business, supporting the installation and service operations for $6B in annual equipment orders.
  • Process Optimization & Service Lifecycle Management: Spearheaded cross-functional initiatives to enhance shipment visibility, on-time delivery, service record management, and warranty compliance, driving operational.
  • Data Centralization & Reporting: Identified data gaps and led the development of a centralized online portal, streamlining access to business information and improving service installation efficiency by 10%.
  • Customer Experience Enhancement: Developed and implemented a "Welcome to GE" packet, significantly enhancing customer perceptions of GE Healthcare’s service quality and professionalism
2019 - 2020 ~1 yr

Blood Pressure Cuff Project Manager

Greater Milwaukee Area

  • Led operational optimization projects for the Blood Pressure Cuff division, driving process improvements, cost management, and customer satisfaction across key initiatives.
  • Process Optimization: Reduced project planning and initiation time by 25% through the implementation of Lean project management processes, improving overall operational efficiency while maintaining a strong focus on.
  • Sales Growth: Partnered with the national sales team to execute hundreds of hospital blood pressure cuff conversion projects, contributing to an 8-10% annual sales growth and expanding market share.
  • Team and Budget Management: Managed credentialing, performance, and assignment of technicians, overseeing a $350K budget and tracking financial metrics, resulting in a 15% reduction in technician costs.
  • Customer Service Improvement & SLA Compliance: Streamlined customer service processes, achieving 100% SLA compliance, and boosting on-time task completion and team productivity by 20%.
2014 - 2019 ~5 yrs

Order Management Specialist

Greater Milwaukee Area

  • Managed the end-to-end order lifecycle for healthcare equipment, driving operational improvements and enhancing fulfillment processes to improve delivery accuracy and customer satisfaction.
  • Order Fulfillment Optimization: Orchestrated the booking, delivery, and invoicing of $50M in annual Life Care Solutions equipment orders, achieving a 25% reduction in order fulfillment time and a 15% increase in.
  • Training and Leadership: Served as a subject matter expert (SME) and led training initiatives for the Order Management team for 5 years, achieving 98% satisfaction and enhancing team performance.
  • Process Improvement & Efficiency Gains: Developed a streamlined training framework and order booking process, reducing onboarding time by 50% and improving order accuracy by 25%, leading to increased operational.
  • Cross-Functional Collaboration: Fostered strong relationships with sales, project management, and manufacturing teams to ensure timely delivery of healthcare equipment.
2008 - 2014 ~6 yrs
1 education record

John Barnum education

FAQ

Frequently asked questions about John Barnum

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What company does John Barnum work for?

John Barnum works for AptarGroup S.A..

What is John Barnum's role at AptarGroup S.A.?

John Barnum is listed as Customer Supply Analyst at AptarGroup S.A..

What is John Barnum's email address?

AeroLeads has found 1 work email signal at @wi.rr.com for John Barnum at AptarGroup S.A..

Where is John Barnum based?

John Barnum is based in Greater Milwaukee, United States, United States while working with AptarGroup S.A..

What companies has John Barnum worked for?

John Barnum has worked for Aptargroup S.A., Harley-Davidson Motor Company, and Ge Healthcare.

How can I contact John Barnum?

You can use AeroLeads to view verified contact signals for John Barnum at AptarGroup S.A., including work email, phone, and LinkedIn data when available.

What schools did John Barnum attend?

John Barnum holds Bachelor Of Science - Bs, Economics from University Of Wisconsin-Madison.

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