Sonia Mammen
@soniamammen
Global HR Leader & Executive Coach | Ex-GE, Ex-Microsoft, Ex-American Express, Ex-Peloton
What I'm looking for
I am a Strategic Global HR Executive and Certified Executive Coach with a proven record of aligning people strategy to business objectives across technology, financial services, healthcare, SaaS, crypto, media, and retail sectors. I have led large-scale HR transformations, workforce redesigns, M&A integrations, and built high-performance people functions that scale in fast-paced, high-growth environments.
I deliver measurable impact by designing career pathways, implementing performance and engagement programs, and enabling leaders through coaching and training—generating multi-million-dollar cost savings, improving engagement and leadership effectiveness, and strengthening succession and talent pipelines globally.
Experience
Work history, roles, and key accomplishments
HR Consultant & Advisor
Mammen Consulting
Nov 2024 - Present (11 months)
Architected company-wide HR frameworks and implemented quarterly feedback and coaching programs that improved engagement scores by up to 8% and leadership capability satisfaction by 12% across client organizations.
Led global HR initiatives for GTM (850+ employees), executed strategic workforce reductions delivering $18M in savings, and designed career pathways and performance toolkits for 1,700+ employees to reduce legal risk and enable leader self-service.
HR Consultant & Advisor
Mammen Consulting
Nov 2021 - Jun 2022 (7 months)
Built HR function and recruited C-level leadership, designed career pathing for 70+ roles and launched leadership programs that accelerated manager readiness and organizational capability.
Led HR strategy for global Engineering, Research, Supply Chain and Logistics (1,000+ employees), integrated 400+ engineers from five acquisitions and implemented global people processes for 3,500+ employees.
VP, Head of People
Movable Ink
May 2018 - Nov 2019 (1 year 6 months)
Scaled the company from ~80 to 300+ employees globally, expanded People team from 2 to 11, and delivered manager training that increased leadership effectiveness by 28% while improving attrition quality.
Led HR across 13 countries supporting 700+ employees, established six entities across EMEA/APAC, implemented standardized career pathing and led a 12-month collective bargaining negotiation successfully avoiding unionization.
Led HR for GTM across 400+ employees in 18 countries and 300+ NYC-based staff, drove Sales & Marketing transformation that generated $2.3M+ savings and increased new sales by 8% through commission redesign.
Director, HRBP - Global Finance
American Express
Jul 2011 - Mar 2014 (2 years 8 months)
Executed HR strategy for 850+ employees across Global Finance and Treasury in 85+ countries, led workforce reductions saving $49M and established a Finance Hub in Gurugram with 65+ hires and high retention.
Director, HRBP & Recruiter
General Electric
Jul 2010 - Jul 2011 (1 year)
Led HR strategy and senior executive recruitment for Global Marketing, hiring 30+ senior leaders and strengthening succession planning and development programs for 650 marketing professionals.
Directed global HR strategy for Windows Mobile engineering teams (600+ employees), led talent calibrations and succession planning for Search Ad Platform and MSN impacting 1,100 employees worldwide.
Senior Manager, HRBP
GE Healthcare
May 2002 - Jul 2007 (5 years 2 months)
Directed global HR operations for Engineering and Sales (900+ employees), led integration for seven acquisitions and placed 70+ leaders to optimize merger effectiveness.
Education
Degrees, certifications, and relevant coursework
University at Albany
Master of Business Administration, Human Resources
Completed an MBA with a minor in Human Resources, focusing on strategic HR and organizational leadership.
Upstate Medical University
Bachelor of Science, Respiratory Therapy
Earned a Bachelor of Science in Advanced Respiratory Therapy, preparing for clinical respiratory care roles.
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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