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Niamh S.

Transforming Employee Experience and Organizational Culture at Scale

With over 15 years of experience, I am a strategic global leader in People & Culture, specializing in architecting talent, performance, and learning systems for high-growth environments. My journey spans building foundational HR strategies that align with business expansion, enhancing leadership capabilities, and fostering organizational effectiveness. Driven by a passion for transformation, I excel in designing scalable infrastructures that elevate employee engagement and drive sustainable growth.

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Niamh S.

Work

Anduril Industries | Global Head of Employee Experience

  • Scaled global onboarding and employee experience infrastructure to support hypergrowth from ~1,000 to 7,000 employees, implementing a hub-and-spoke model that improved scalability and reduced costs by ~$2M
  • Built and operationalized an end-to-end employee lifecycle strategy, aligning onboarding, performance, leadership capability, and engagement to business growth priorities
  • Designed and launched enterprise-wide performance, compensation, and career architecture enablement, driving consistency in decision-making and strengthening manager capability
  • Established leadership and manager capability frameworks to enable a high-performance culture across rapidly scaling global teams
  • Partnered with executive leadership to define and embed high-performance standards, translating culture into actionable systems and behaviors
  • Introduced a continuous employee listening model, providing real-time insights to inform leadership decisions, improve engagement, and reduce attrition risk
  • Built the Learning & Development Function

Experience

Sep 2025 — Present
Anduril Industries

Anduril Industries

Global Employee Experience & Development Lead

Anduril Industries creates advanced technology for autonomous defense systems, enhancing the capabilities of US and allied forces.

Sep 2025 — Present

Anduril Industries

Global Employee Experience & Development Lead

  • Leading the end-to-end Employee Experience strategy, spanning employee listening, global onboarding, manager capability, leadership development, and learning platforms. My focus is on creating scalable, data-driven EX programs that accelerate growth for individuals and the business.
  • Key focus areas include overseeing:
  • Scaling onboarding programs that set employees up for success globally.
  • Global Listening Strategy
  • Building manager and leadership development pathways that strengthen capability and prepare leaders for greater scope and impact.
  • Driving a culture of continuous learning through scalable, self-service platforms and tools.
  • Using feedback, data, and insights to measure program effectiveness and continuously iterate.
  • Partnering closely with People Partners to align initiatives with business priorities and drive engagement, effectiveness, and retention.
Apr 2025 — Sep 2025

Anduril Industries

Global Head Learning & Development

Apr 2025 — Sep 2025
Anduril Industries

Anduril Industries

Global Head Learning & Development

Apr 2025 — Sep 2025

Anduril Industries

Global Head Learning & Development

May 2023 — Apr 2025
Covetrus

Covetrus

Global Head of Employee Experience

  • Covetrus® is a global animal health company dedicated to empowering veterinary practices.
  • My role as the Employee Engagement Leader is focused on identifying moments across the global, remote-first, employee journey to engage with the business, from employee listening to employee communities through a targeted employee communication strategy. In my role, I am responsible for the following:
  • Developing and Implementing the Employee Experience Strategy: I am responsible for creating and executing a comprehensive strategy to improve the overall experience of the hybrid workforce.
  • Design and own the Employee Engagement Survey: Run and project manage the annual EX survey, in addition to Pulse surveys throughout the year.
  • Employee Communities: Lead the Diversity, Equity & Inclusion agenda and Employee Resource Groups to identify communication campaigns, internal networking events and connect the ERG's to the employee experience and deliver on the DEI agenda.
  • Collaborate with Global HR Business Partners: A key part of this role is working with other departments across the globe to ensure that the employee experience is a top priority.
  • Measure and Analyze Employee Feedback: To improve EX, I focus on understand what's working and what's not. This means gathering employee feedback through surveys, focus groups, and other means, and then analyzing the data to identify trends and areas for improvement to drive decision-making.
  • Stay Current with Industry Trends: Employee experience is a constantly evolving area, my role requires me to stay up-to-date with the latest trends and best practices. Including attending conferences and networking events, reading industry publications, and participating in online communities.
Aug 2022 — May 2023
TikTok

TikTok

Global Organization Effectiveness Lead

  • The TikTok Global Talent Management & Organization Effectiveness Lead is responsible for the global talent strategy spanning the talent review process, through to the execution of talent development initiatives as aligned with company culture. Key responsibilities include:
  • Responsible for aligning employees to a common culture, set of behaviors, and leadership principles through workshops, team offsites, and leadership simulation sessions.
  • Supporting business leaders in bringing diversity, equity, and inclusion strategy to life through talent reviews, successor pipeline planning, and career development initiatives.
  • Operationalizing leadership competencies through leadership development interventions as identified in leadership 360 reviews.
  • Responsible for an internal leadership coaching program, both playing the role of a mid-level leader coach and partnering with external vendors for executive-level coaching.
  • Leads the bi-annual talent segmentation and talent review process for identifying critical roles, successors to critical roles, and targeted development plans for both high potential and successors to critical roles.
  • Leads employee engagement survey action planning with business leaders, focusing on key dimensions to drive Engagement Inclusion.
Aug 2018 — Mar 2022
Geller

Geller

Head of Learning and Development

  • Leading the Learning & Development Strategy through the lens of the Employee Experience.
  • As the Head of Learning & Development, Niamh focuses on creating a learning organization through cultural change.
  • Key focus areas include:
  • Partnering with the CHRO to design the Human Capital Strategy as part of a firm-wide transformation.
  • Played a key role in operationalizing the newly created Human Capital Strategy and 5-year roadmap to drive an Employee Experience across four pillars of the employee lifecycle.
  • Partnering with the CHRO to design the Talent Management Strategy as how it connects to Talent Development.
  • Designed the Learning & Development Strategy, roadmap, and Learning Framework consisting of curriculum across Foundational, Core, and Growth categories.
  • Led the bi-annual talent segmentation and talent review process for identifying critical roles, successors to critical roles, and targeted development plans for both high potential and successors to critical roles.
  • Launched a new learning management platform and new learning channels to diversify the scope of learning resources available.
  • Driving the Learning Roadmap for Diversity & Inclusive roadmap specifically for professional development, in partnership with the Diversity, Equity & Inclusion team.
  • Driving cultural change to enable Geller to become a Learning Organization.
  • Partnered in the redesign of the Performance Management Philosophy and Process.
Aug 2018 — Mar 2022

Geller & Company

Head of Learning and Development

Geller & Company provides strategic financial advisory and wealth management services.

Sep 2013 — Aug 2018
Openlink Financial

Openlink Financial

Global Head Organization Development

Openlink Financial provides treasury and risk management technology solutions to streamline financial operations globally.

  • Transformed employee engagement from 45% to 72%, redesigning the employee listening strategy and enhancing leadership accountability.
  • Redesigned performance management systems, improving feedback quality and alignment with business outcomes using UltiPro.
  • Introduced enterprise-wide leadership coaching and 360 feedback programs, boosting leadership effectiveness and retention of critical talent.
  • Implemented a recognition strategy that increased employee recognition from 55% to 81%.
Sep 2013 — Aug 2018

Openlink Financial

Global Head Organization Development

Openlink Financial provides technology solutions for integrated trading, risk management, and operations, streamlining complex financial environments.

Dec 2011 — Jul 2013

Nielsen

VP of Research & Analytics @ NMIncite

Nielsen provides global insights, data, and analytics about what consumers watch and buy across multiple platforms and channels.

  • Consulted with over a dozen global brands to leverage research insights, driving organizational transformation and profitable growth.
  • Streamlined the sales and delivery process, enhancing client satisfaction by over 40 points.
  • Implemented global organizational transformation, leading to a 75% growth in revenue.
Feb 2011 — Dec 2011

Nielsen

Vice President Client Services ➡️ Growth Strategies ▪ Client Portfolio Management

  • Developed and standardized a sales toolkit and marketing materials, leading to faster sales cycles and more profitable deals.
Feb 2009 — Feb 2011

Nielsen

Director, Black Belt, BPI ➡️ Business Process Improvement ▪ Transformation ▪ Lean Sigma/Six Sigma

  • Achieved million-dollar savings through Lean Six Sigma initiatives across multiple regions, including Asia, Middle East, and Africa.
  • Led Six Sigma and Lean initiatives that significantly improved and designed new operational processes.
  • Received Nielsen’s BPI Global Impact Award for outstanding contributions to business process improvement.
Jan 2008 — Jan 2009

Nielsen

Director, Pacific SPOC to TCS

  • Managed the execution of the knowledge process off-shoring program in collaboration with Tata Consultancy Services.
  • Led a team developing analytic frameworks for processes targeted for offshore execution.
Feb 2001 — Dec 2007

Nielsen

Associate Director

  • Managed a portfolio of Melbourne clients including major brands, driving revenue growth and strategic client solutions.
  • Awarded Asia Pacific Retail Client Executive of the Year for excellence in client management and people development.
  • Led a team of 13, focusing on coaching and development of client service skills while managing financial revenues and growth.