Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
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DONATO MANGAHAS

ANAHEIM,CA

Summary

Senior Customer Service Leader – Strategic customer service leader with 10+ years of experience leading high-performing teams, streamlining operations, and delivering results. Expertise in order management, allocation strategy, process improvement, and cross-functional collaboration. Known for developing talent, driving KPIs, and fostering a proactive, solutions-driven culture.

Overview

17
17
years of professional experience

Work History

Customer Service Manager

ENI-JR286 Inc.
Torrance, CA
01.2016 - Current

* Lead and mentor a team of 10 Customer Service Representatives, aligning with departmental goals to deliver exceptional customer satisfaction through coaching and structured training programs.

* Reduce the average rollover of old orders from $10M to $4M (a 60% improvement) by cleaning the order book, resolving price holds, collaborating with sales reps, and holding the DC team accountable for timely processing.

* Conduct weekly meetings with North American distributors to maintain alignment, resolve issues proactively, and strengthen cross-functional collaboration.

* Partner with Sales Operations and key stakeholders to implement process improvements, enhancing customer experiences and operational efficiency.

* Conduct monthly allocation reviews and manage Minimum Order Quantities (MOQs) to balance demand and inventory, ensuring efficient forecasting and accurate order management.

* Facilitate cancellations of underperforming orders based on demand analysis to maintain a clean and accurate order book.

* Lead monthly DIFOT (Deliver In Full, On Time) meetings to address late items, implement trial improvements, and explore air freight opportunities, contributing to an on-time delivery performance increase from 95% to 97%.

* Drive operational efficiency by tracking and reporting on key metrics, analyzing data to identify root causes, and implementing actionable resolution strategies.

* Spearhead the implementation of Oracle, DOMO, and EDI systems, streamlining internal processes and improving data accessibility.

* Recruit, onboard, and mentor employees, fostering professional growth and ensuring team readiness for evolving business needs.

* Developed and documented a comprehensive Customer Service Playbook by creating and standardizing 70 processes, streamlining onboarding and training, and ensuring consistent service delivery.

Associate Product Line Manager

ENI-JR286 Inc.
Torrance, CA
12.2014 - 12.2015

* Maintained accurate product data through seasonal line lists and internal systems while managing samples across various development stages.

* Collaborated with Product Development, Operations, and Customer Service teams to oversee seamless sales sample tracking and delivery.

* Conducted market analysis to identify emerging trends and expand product opportunities, working closely with Design and Manufacturing teams.

* Supported the creation of product briefs and strategy presentations for internal stakeholders.

Customer Service

ENI-JR286 Inc.
Torrance, CA
01.2013 - 11.2014

* Cultivated strong relationships with top-tier clients such as Kohl’s, Academy, Nike Banners, Dick’s Sporting Goods, and Footlocker.

* Processed 30–60 orders daily with a focus on accuracy, resolving product availability issues, and managing past-due orders.

* Partnered with account executives to provide timely, data-driven insights through weekly reporting.

* Managed return authorizations and credit memos efficiently to maintain customer trust.

Member Service Representative

Water & Power Community Credit Union
Westchester, CA
04.2011 - 11.2012

* Reviewed customer’s financial needs and recommended best-fit programs.

* Provided excellent service through product referrals and efficient transaction processing.

* Approved and denied loan applications based on applicant’s credit score, debt to income ratio and financial standing.

* Performed monthly visits to Select Employer Groups in order to generate business for the branch.

* Funded loans and offered investment products.

Member Service Representative

Western Federal Credit Union
Torrance, CA
05.2008 - 02.2011

* Processed applications and open accounts for new members.

* Ensured that majority of new account openings resulted in a five-product cross sell.

* Examined loan funding applications and new membership account applications for accuracy.

* Reviewed branch documents related to branch operations and projections to accounting, and produced an internal report based on the review.

* Designated branch purchases and ordered all supplies needed by the branch.

* Served as vault custodian of the branch and maintained vault cash levels in accordance with company policies.

* Performed transactions such as: disbursement of funds, posted deposits, processed loan payment and IRA transactions.

Education

Bachelor of Science - Business Administration

University of Phoenix
Gardena, CA
01.2015

Associate of Science - Nursing Practice

Los Angeles Harbor College
Wilmington, CA
03-2004

High School Diploma -

Carson High School
Carson, CA
01.2002

Skills

  • MS Office Suite
  • Oracle
  • Symitar
  • Excel
  • Cross-Functional Collaboration
  • Word
  • Powerpoint
  • Team Development
  • Leadership
  • Mentorship
  • Strategy
  • Escalation Management
  • Operations
  • Communication
  • Forecasting/Allocation
  • Data Analysis
  • Order Management
  • DOMO
  • Mondaycom
  • Process Improvement
  • Team leadership
  • Multi-tasking strength

Accomplishments

  • Directed customer service operations supporting over $280M in annual sales with 97-98% on-time delivery.
  • Developed allocation and order book management processes, reducing backlogs and improving fulfillment speed.
  • Created customer segmentation models to optimize account assignments and promote talent development.
  • Partnered with Sales, Demand Planning, and Warehouse teams to achieve 89-98% forecast alignment.
  • Launched DOMO dashboards, replacing manual reports and improving executive-level visibility.
  • Mentored and promoted multiple team members into leadership, product, and demand planning roles.
  • Created a playbook committee team to document and standardize processes that previously didn’t exist, improving efficiency and training for new hires.

Timeline

Customer Service Manager

ENI-JR286 Inc.
01.2016 - Current

Associate Product Line Manager

ENI-JR286 Inc.
12.2014 - 12.2015

Customer Service

ENI-JR286 Inc.
01.2013 - 11.2014

Member Service Representative

Water & Power Community Credit Union
04.2011 - 11.2012

Member Service Representative

Western Federal Credit Union
05.2008 - 02.2011

Bachelor of Science - Business Administration

University of Phoenix

Associate of Science - Nursing Practice

Los Angeles Harbor College

High School Diploma -

Carson High School
DONATO MANGAHAS