Overview
Work History
Education
Skills
Technologies
Languages
Timeline
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Katherine Quinn Mahoney

New York

Overview

3
3
years of professional experience

Work History

Co-founder, COO

Ballyheather
New York
01.2024 - Current
  • Grew Annual Recurring Revenue from $0 to $250,000, while reducing customer acquisition costs by 36%, increasing gross margins by 7.8%.
  • Direct brand storytelling, campaign execution, and e-commerce strategy, including digital marketing, website development, and omni-channel engagement, bridging technical capabilities with measurable business outcomes.
  • Drive sales strategy, leveraging data to optimize inventory allocation, buying-workflows, and financial outcomes, growing revenue and improving operational efficiencies.
  • Cultivate and maintain strong relationships with retailers and clients, ensuring exceptional customer success, and long-term retention.

Account Executive

Stylistico
New York
07.2023 - 01.2024
  • Managed a diverse portfolio of enterprise accounts across North America for several emerging European brands, driving successful market entry and improved sell-through rates through data-driven merchandising strategies and demand forecasting alignment.
  • Reduced excess inventory and markdowns by 11% through improved allocation strategies, aligning assortments with consumer demand to increase profitability, and minimize waste.
  • Served as the primary liaison between brands and buyers, acting as a trusted advisor to enhance engagement, strengthen retention, and translate inventory insights into clear business outcomes.
  • Lead structured onboarding and training programs for new brand partners, ensuring seamless integration into retailer networks, and long-term customer success.
  • Collaborated with design, production, and planning teams to tailor collections, applying forecasting models and workflow optimization to meet evolving customer demand, and boost ROI.

Wholesale Account Coordinator

Max Mara Fashion Group
New York
05.2022 - 04.2023
  • Managed inventory and order fulfillment data, improving operational efficiency, allocation accuracy, and alignment with retailer demand.
  • Analyzed buyer preferences, sales performance, and market trends, providing actionable insights that informed merchandising strategies, collection planning, and sell-through optimization.
  • Served as the primary point of contact for retailers, resolving inquiries, and guiding partners through the order-to-delivery workflow to ensure reliability and retention.
  • Cut stock imbalances by 9.6% across omni-channel partners, improving forecasting accuracy and enabling more confident buying decisions that reduced missed sales opportunities while minimizing excess inventory.

Education

Bachelor of Arts - Major: Cinema And Media Studies, Minor: Chinese

The University of Pennsylvania
Philadelphia, PA
05-2022

Skills

  • Customer Success & Relationship Management
  • Inventory Management & Demand Forecasting
  • Merchandising Strategy
  • Data Analysis & Visualization
  • Project Management & Execution
  • E-commerce & Retail Systems
  • Strategic Growth & Revenue Optimization
  • Collaboration & Communication
  • Creative Problem Solving
  • Sustainability & Resource Optimization

Technologies

Excel, Google Sheets, Salesforce, HubSpot, ERP & inventory planning systems, MailChimp, Google Analytics, Klavyio, Monday, Facebook Ads Manager, Shopify, NuOrder, Joor, Figma, Canva, Adobe Premiere Pro, PowerPoint

Languages

Chinese (Mandarin)
Professional

Timeline

Co-founder, COO

Ballyheather
01.2024 - Current

Account Executive

Stylistico
07.2023 - 01.2024

Wholesale Account Coordinator

Max Mara Fashion Group
05.2022 - 04.2023

Bachelor of Arts - Major: Cinema And Media Studies, Minor: Chinese

The University of Pennsylvania

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Katherine Quinn Mahoney