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Greg Mack Email & Phone Number

PARCEL SHIPPING LEADER ◊ Generating Sales & Profit with Cost Effective Shipping Solutions at United States Postal Service
Location: Nashville Metropolitan Area, United States, United States 8 work roles 2 schools
1 work email found @sparq360.com 6 phones found area 919, 612, 952, and 800 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email g****@sparq360.com
Direct phone (919) ***-****
LinkedIn Profile matched
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Role
PARCEL SHIPPING LEADER ◊ Generating Sales & Profit with Cost Effective Shipping Solutions
Location
Nashville Metropolitan Area, United States, United States

Who is Greg Mack? Overview

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Quick answer

Greg Mack is listed as PARCEL SHIPPING LEADER ◊ Generating Sales & Profit with Cost Effective Shipping Solutions at United States Postal Service, based in Nashville Metropolitan Area, United States, United States. AeroLeads shows a work email signal at sparq360.com, phone signal with area code 919, 612, 952, 800, and a matched LinkedIn profile for Greg Mack.

Greg Mack previously worked as New Business Acquisition - Sr. Exec Sales, Major Accounts at United States Postal Service and Principal Consultant at Sparq360. Greg Mack holds Strategy & Implementation Exec Course, Business, Management, Strategy, Change Management from Carlson Executive Education, University Of Minnesota.

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Email format at United States Postal Service

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{first}.{last}@sparq360.com
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Profile bio

About Greg Mack

A Supply Chain Operations leader, with expertise in transportation and dotcom fulfillment, along with advanced knowledge of distribution and inventory planning. My experience is complemented by a unique skill in developing end-to-end strategies and leading them from creation through execution balancing customer satisfaction with operating expense. A self-starter who inspires teams to consistently deliver financial objectives, drive efficiency improvements, and exceed performance targets.I'm a hands-on servant leader, with a track record of developing strong cross-functional relationships with internal stakeholders, external partners, and direct/indirect reports to achieve team and company goals. My visionary leadership is coupled with an expertise in transportation and fulfillment, leveraging data analytics and depth of industry knowledge to create future-proof strategies as solutuions to business challenges. I am a collaborative influencer with a commitment to sharing knowledge and industry best practices to exceed company goals.Areas of expertise:- Transportation Operations & IT (TMS)- DC Operations & IT (WMS, DOMS, OMS) - Strategy Development & Implementation- Operational Planning & Budgeting - Operating Income Improvement- Third-Party Contracting & Management- People Leadership & Development- Change Leadership - Financial Acumen - Data Analysis

Listed skills include Cross Functional Team Leadership, Strategy, Leadership, Vendor Management, and 46 others.

Current workplace

Greg Mack's current company

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United States Postal Service
United States Postal Service
PARCEL SHIPPING LEADER ◊ Generating Sales & Profit with Cost Effective Shipping Solutions
AeroLeads page
8 roles · 23 years

Greg Mack work experience

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

New Business Acquisition - Sr. Exec Sales, Major Accounts

Current

Washington, D.C., US

Providing shippers with secure, safe, and cost-effective parcel fulfillment solutions that delight their customers.

Aug 2023 - Present

Principal Consultant

Current

Eindhoven, North Brabant, NL

CREATING MOMENTUM, DELIVERING RESULTS.SPARQ360 is a global consulting and technology company that helps clients to optimize their global SUPPLY CHAIN and implement effective SUSTAINABILITY solutions. A unique combination of people, process and technology identifies opportunities, designs future proof strategies and implements the solutions in an effective.

Oct 2022 - Present

Vp Strategy Store Delivery & Services

Brentwood, TN, US

  • Championed teams to design the enterprise delivery and shipping services strategy implementation plan. Oversaw and led direct and indirect teams in successfully growing the company’s core services supporting the.
  • Spearheaded multi-year dotcom fulfillment strategic plan by aligning key stakeholders, analyzing data, and providing a critical capability to support the enterprise strategy of doubling growth of dotcom sales.
  • Guided scaling of Same Day Delivery capability, doubled volume annually that boosted dotcom sales from 0.5% to 1.0% of total sales by unlocking to-home fulfillment of in-store only inventory.
  • Improved on-time performance from 90% to 95% and delivered an industry leading Customer Satisfaction rate consistently of 75%+ by renegotiating contract with incentive options that enhanced performance and decreased.
  • Led dotcom system enhancements for order weight and distance, driving a 14% reduction in expense per delivery and increasing dotcom sales profitability.
  • Designed structures with all third-party providers for continuous operational improvements and optimization to augment delivery cost and enhance the customer experience.
2020 - Sep 2022

Senior Director Ecommmerce - Omni Channel Fulfillment

Richfield, Minnesota, US

  • Galvanized teams to support fulfillment operations for $15B dotcom business; a maniacal focus on the customer experience on 75M orders, while balancing expenses and delivering desired financial outcomes. Directed teams.
  • Program business leader for multi-carrier strategy. Implementing new operational and system capabilities across eCommerce/OMS, Warehouses, Stores, and Transportation improving shipping speed from 3 days to 2 days while.
  • Devised and spearheaded the Same Day delivery strategy utilizing industry research, aligning stakeholders, and contracting new carriers enabling a competitive capability driving 7% new growth of dotcom sales.
  • Led a broad cross-functional team to identify and execute system enhancements through continuous innovation sessions that drove a 30%+ expense reduction in per-order fulfillment which enabled dotcom channel.
2015 - 2020 ~5 yrs

Sr. Director Transportation & Ecom Fulfillment Strategy

Richfield, Minnesota, US

  • Oversaw team in ongoing management and operational improvements for $1.4B+ Domestic US Transportation Operations. Created and exceeded budgets and achieved on-time performance goals.
  • Developed and implemented sustainable process for annual Carrier Contracting and carrier portfolio strategy, by aligning internal and external stakeholders and delivering $87M expense reduction to enterprise.
  • Strengthened growth of Domestic and Direct Import Collect Vendor Freight Programs by aligning stakeholders and vendors, resulting in $500K+ in annual profit gains to company.
  • Directed decrease of parcel shipping expenses by $100M and ensured continued dotcom volume growth (from 1% - 5% total sales) by negotiating contractual commitments aligned to business needs.
  • Oversaw employee development program, improving employee Gallup eVoice survey scores by 8% and lowering team turnover from 75% to 35%.
2009 - 2015 ~6 yrs

Director Geek Squad Labor Demand Planning & Scorecards

Richfield, Minnesota, US

Responsible for leading a team of ten people, partnering with a diverse group of cross-functional partners, to develop and implement a new strategy for demand planning service labor for a workforce of fifteen-thousand technicians. Leading, developing and implementing a methodology for demand planning service repair parts to reduce inventory levels and.

2007 - 2009 ~2 yrs

Director Mobile Elec And Appliance Installation

Richfield, Minnesota, US

Responsible for leading a team of ten people that directly supported a field organization in managing the operational model for Mobile and Appliance installation. Identified and developed operational improvements with cross-functional teams to improve the customer experience and improve net operating profit outcomes. Vendor performance management and.

2006 - 2007 ~1 yr

Director, Installation Services

Richfield, Minnesota, US

Responsible for leading a team of twenty-five people that built and sustained the operational models for both services repair and services fulfillment businesses, while providing direct operational support to a field management organization. Project leader of a cross-functional group that defined: the strategy, operational model, planning, systems.

2003 - 2006 ~3 yrs
2 education records

Greg Mack education

Strategy & Implementation Exec Course, Business, Management, Strategy, Change Management

Carlson Executive Education, University Of Minnesota

Electrical And Electronics Engineering

Devry Institute Of Technology
FAQ

Frequently asked questions about Greg Mack

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

What company does Greg Mack work for?

Greg Mack works for United States Postal Service.

What is Greg Mack's role at United States Postal Service?

Greg Mack is listed as PARCEL SHIPPING LEADER ◊ Generating Sales & Profit with Cost Effective Shipping Solutions at United States Postal Service.

What is Greg Mack's email address?

AeroLeads has found 1 work email signal at @sparq360.com for Greg Mack at United States Postal Service.

What is Greg Mack's phone number?

AeroLeads has found 6 phone signal(s) with area code 919, 612, 952, 800 for Greg Mack at United States Postal Service.

Where is Greg Mack based?

Greg Mack is based in Nashville Metropolitan Area, United States, United States while working with United States Postal Service.

What companies has Greg Mack worked for?

Greg Mack has worked for United States Postal Service, Sparq360, Tractor Supply Company, and Best Buy.

How can I contact Greg Mack?

You can use AeroLeads to view verified contact signals for Greg Mack at United States Postal Service, including work email, phone, and LinkedIn data when available.

What schools did Greg Mack attend?

Greg Mack holds Strategy & Implementation Exec Course, Business, Management, Strategy, Change Management from Carlson Executive Education, University Of Minnesota.

What skills is Greg Mack known for?

Greg Mack is listed with skills including Cross Functional Team Leadership, Strategy, Leadership, Vendor Management, Supply Chain, Operations Management, Management, and Process Improvement.

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