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Marcus Mcwilliams Email & Phone Number

Leader of Supply Chain Planning at Quantum-Si
Location: Oceanside, California, United States 11 work roles 1 school
1 work email found @seaspine.com 2 phones found area 712 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email m****@seaspine.com
Direct phone (712) ***-****
LinkedIn Profile matched
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Current company
Role
Leader of Supply Chain Planning
Location
Oceanside, California, United States

Who is Marcus Mcwilliams? Overview

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Quick answer

Marcus Mcwilliams is listed as Leader of Supply Chain Planning at Quantum-Si, based in Oceanside, California, United States. AeroLeads shows a work email signal at seaspine.com, phone signal with area code 712, and a matched LinkedIn profile for Marcus Mcwilliams.

Marcus Mcwilliams previously worked as Lead Master Planner at Quantum-Si and Integrated Reconciliation Manager at Seaspine. Marcus Mcwilliams holds Bachelor Of Science - Bs, Supply Chain Management from Iowa State University.

Company email context

Email format at Quantum-Si

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{first}.{last}@seaspine.com
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AeroLeads found 1 current-domain work email signal for Marcus Mcwilliams. Compare company email patterns before reaching out.

Profile bio

About Marcus Mcwilliams

I am a results-driven supply chain professional with more than 9 years of experience in cost optimization, efficiency improvements, and business growth in fast-paced ever-changing environments. My proven track record demonstrates a deep commitment to building relationships and engaging all stakeholders to ensure organizational alignment to grow the business. I am deeply passionate about identifying opportunities to increase revenues and expand margins. RESULTS: I recently oversaw all inventory levels for over $300MM worth of annual sales and over 36,000 SKUs, providing executive leadership detailed analysis of category and division-level performance in alignment with organizational KPIs.DATA-DRIVEN, PEOPLE-CENTERED LEADER: I leverage strategic thinking and executing strengths to execute a shared vision of excellence that improves both product and process.CONTACT ME: Marcus.M.McWilliams@gmail.comSpecialties:INDUSTRY SKILLS: Project Management ✰ Supply Chain Management ✰ Data & Analytics ✰ Logistics & Distribution ✰ Cost Optimization ✰ Cross-functional Leadership ✰ Warehouse Management ✰ Consumer Packaged Goods ✰ Lean Six Sigma ✰ Operations Management ✰ Stakeholder Management ✰ Efficiency Improvements PROFESSIONAL ATTRIBUTES: Innovative ✰ Versatile ✰ Results-Driven ✰ Dynamic ✰ Analytical ✰ Strategic ✰ Collaborative ✰ Adaptable ✰ Engaging ✰ Self-Starter ✰ Leader ✰ Problem-Solver ✰ Resilient ✰ Enthusiastic ✰ Resourceful ✰ Detail-Oriented

Listed skills include Inventory Management, Sales, Microsoft Excel, Leadership, and 17 others.

Current workplace

Marcus Mcwilliams's current company

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Quantum-Si
Quantum-Si
Leader of Supply Chain Planning
AeroLeads page
11 roles

Marcus Mcwilliams work experience

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

Lead Master Planner

Current

Branford, CT, US

Nov 2024 - Present

Integrated Reconciliation Manager

Carlsbad, CA, US

Feb 2024 - Nov 2024

Sr Demand Planner

Carlsbad, CA, US

Jun 2021 - Feb 2024

Sr. Supply Planner

Lincoln, NE, US

Mar 2021 - Jun 2021

Supply Planner

Lincoln, NE, US

Aug 2020 - Mar 2021

Replenishment Planner

Omaha, NE, US

 Oversaw all inventory levels for over $300MM worth of annual sales and over 36,000 SKUs, providing executive leadership detailed analysis of category and division-level performance in alignment with organizational KPIs. Outperformed peers by leading the division in highest inventory turns (13.7), highest in-stock % (90%), and supported the highest.

Jul 2018 - Aug 2020

International Demand Planner

Miami, Florida, US

 Led a book of business worth more than $20MM year, improving sales unit accuracy month-over-month for the duration of the role and implemented a series of efficiency improvements to improve global markets on 3M+ sales units. Served as a key talent developer, professional development leader, and team lead – supporting the direct training and promotion of.

May 2017 - Jul 2018

International Merchandise Distribution Analyst

Miami, Florida, US

 Oversaw a suite of analysis and reporting initiatives for a book of business worth more than $70MM, collaborating with senior leadership to implement a suite of optimizations and improvements based on analysis work. Implemented and supported multiple efficiency improvements – including developing a new allocation technique which led to more than $2MM in.

Jan 2016 - May 2017

Supply Chain Analyst

Chicago, Illinois, US

 Built the company’s first major Tableau reporting dashboard – used by more than 3,800 employees and which increased the speed by which staff communicate essential information by more than 70%. Created a new Microsoft Sharepoint for the organization – reducing underused sites by more than 32% by consolidating pages in to a one-page library view.

May 2015 - Jul 2015

Warehouse & Logistics Analyst

Chicago, Illinois, US

 Oversaw a suite of warehouse optimizations, including implementing continuous improvement best practices and zero-based budgeting statistical analysis to identify and implement over $4.7MM worth of cost savings initiatives. Led an optimization of the overflow warehousing through the strategic usage of a forward network, successfully reducing storage.

May 2014 - Aug 2014

Product Specialist

Giant A&M
Aug 2013 - May 2014
1 education record

Marcus Mcwilliams education

  • Iowa State University
    Iowa State University
    Supply Chain Management
FAQ

Frequently asked questions about Marcus Mcwilliams

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

What company does Marcus Mcwilliams work for?

Marcus Mcwilliams works for Quantum-Si.

What is Marcus Mcwilliams's role at Quantum-Si?

Marcus Mcwilliams is listed as Leader of Supply Chain Planning at Quantum-Si.

What is Marcus Mcwilliams's email address?

AeroLeads has found 1 work email signal at @seaspine.com for Marcus Mcwilliams at Quantum-Si.

What is Marcus Mcwilliams's phone number?

AeroLeads has found 2 phone signal(s) with area code 712 for Marcus Mcwilliams at Quantum-Si.

Where is Marcus Mcwilliams based?

Marcus Mcwilliams is based in Oceanside, California, United States while working with Quantum-Si.

What companies has Marcus Mcwilliams worked for?

Marcus Mcwilliams has worked for Quantum-Si, Seaspine, Spreetail, Nebraska Furniture Mart, and Payless Shoesource.

How can I contact Marcus Mcwilliams?

You can use AeroLeads to view verified contact signals for Marcus Mcwilliams at Quantum-Si, including work email, phone, and LinkedIn data when available.

What schools did Marcus Mcwilliams attend?

Marcus Mcwilliams holds Bachelor Of Science - Bs, Supply Chain Management from Iowa State University.

What skills is Marcus Mcwilliams known for?

Marcus Mcwilliams is listed with skills including Inventory Management, Sales, Microsoft Excel, Leadership, Customer Service, Team Building, Microsoft Word, and Microsoft Office.

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