Trust & Safety · Risk & Policy · Change Management & Training · Global Operations Leader
LEM
SARMIENTO
Senior T&S Manager · Innovation Director · AI Facilitator · Author
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Trust & Safety · Risk & Policy · Change Management & Training · Global Operations Leader
Senior T&S Manager · Innovation Director · AI Facilitator · Author
I am a Senior Trust & Safety Manager with over eight years of experience leading global moderation, risk, and policy operations across multi-market, multilingual environments. I have built and scaled Trust & Safety programs across EMEA, APAC, NORAM, and ANZ — integrating AI-driven moderation and managing the highest-risk escalations in the industry.
My work sits at the intersection of policy, technology, and people. I translate complex regulatory requirements and platform risk into operational systems that deliver measurable safety outcomes. I partner deeply with Product, Engineering, Legal, and Analytics to drive both user protection and business growth.
I have established two operational sites from the ground up, built dedicated Policy Teams, and pioneered AI-enabled transformation across moderation workflows spanning 120M+ cases.
Senior escalation authority for child safety, self-harm, violent extremism, and graphic content — ensuring policy-compliant, time-critical resolutions that protect users and platform integrity.
Led 2,000+ personnel across 14 languages and 10+ markets with 98% SLA compliance. Monitoring 500,000+ content items daily, identifying emerging abuse patterns tied to geopolitical events.
Pioneered AI-enabled transformation across moderation workflows. Designed automated detection systems for graphic and conflict-related content in partnership with Product and Engineering teams.
Designed content policies addressing human exploitation, fraud, and harmful content. Established governance frameworks for policy enforcement, escalations, and compliance tracking across global markets.
Designed crisis-response frameworks for global elections and geopolitical conflicts. Led change management initiatives reducing transfer-out rates by 87% within four weeks through targeted interventions.
Google-certified in Business Intelligence, Data Analytics, and Project Management. Lean Six Sigma Black Belt. Translate complex risk signals into operational intelligence that drives proactive mitigation.
Lead end-to-end Trust & Safety operations for a global social media platform — managing high-risk content domains and policy enforcement at scale across 2,000+ personnel, 14 languages, and 10+ markets. Daily oversight of 500,000+ content items with proactive detection of emerging abuse patterns tied to geopolitical conflicts.
Built and scaled a Trust & Safety marketization framework — integrating AI-driven solutions to address regional policy gaps and accelerate onboarding across global markets. Delivered impact across 6.1M+ safer user experiences, collaborated with EMEA stakeholders to standardize policy implementation, and led innovation saving 54,000+ hours through process optimization.
Designed and implemented content policies addressing human exploitation, fraud, and harmful content. Enabled automated and proactive detection systems for graphic and conflict-related content. Established governance frameworks for policy enforcement, escalations, and compliance tracking. Conducted in-depth threat analysis to inform product improvements and risk mitigation strategies.
Designed and delivered training frameworks supporting Trust & Safety operations across 14 languages and multiple markets. Built structured onboarding programs that reduced ramp time and improved moderation decision quality — achieving 100% training completion and 98.9% performance accuracy.
Delivered Trust & Safety training for analysts, team leads, and quality teams. Moderated high-risk content and enforced platform policies across global markets — specializing in child safety, self-harm, human exploitation, and dangerous organizations. Conducted audits and quality reviews to ensure policy compliance and operational integrity.
These are not metrics. They are the footprint of eight years of decisions made under pressure, at scale, across the world's most complex content environments.
Monitoring 500,000+ daily content items to identify emerging abuse patterns across geopolitical conflicts, global events, and evolving threat vectors before they compound into crises.
Acting as the senior escalation authority for child safety, self-harm, violent extremism, and graphic content — ensuring policy-compliant, time-critical resolution at every tier.
Building detection frameworks that shift Trust & Safety from reactive moderation to proactive risk prevention — identifying patterns before they surface as viral harm.
Designing content policies addressing human exploitation, fraud, and harmful content — built with enforcement operability, regional adaptability, and regulatory alignment from day one.
Building Trust & Safety marketization systems that integrate AI-driven solutions to address regional policy gaps and accelerate onboarding across diverse global markets.
Designing crisis-response frameworks for global elections and geopolitical conflicts — supporting consistent, defensible enforcement across regions under extreme time pressure.
Standing up full operational sites from zero to maturity, recruiting, structuring, training, and governing multilingual teams across EMEA, APAC, NORAM, and ANZ geographies.
Embedding AI-assisted moderation workflows into operations, partnering with Product and Engineering to enable automated detection, reduce manual load, and improve accuracy at scale.
Building structured onboarding and continuous learning frameworks that achieve 100% completion and 98.9% accuracy — reducing ramp time and sustaining quality under rapid growth.
Applying Lean Six Sigma Black Belt methodology to systematically eliminate waste, reduce variance, and compound efficiency gains across every Trust & Safety process under management.
Translating operational data into executive intelligence — dashboards, trend analysis, and risk reporting that enable leadership to act on signals before they become incidents.
Driving AI-enabled transformation and data-informed experimentation — contributing to improved user experience across 120M+ cases and setting the innovation benchmark for global T&S ops.
"I build resilient Trust & Safety ecosystems that protect users while enabling business growth — combining strategy, execution, and innovation to turn complex policy, risk, and enforcement challenges into structured, high-performing global systems."
— Lem Sarmiento · Trust & Safety Operations Manager
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Get the BookFrom defining the right problem to validating assumptions, prioritizing features, crafting roadmaps, and collaborating with technical teams — this book delivers a step-by-step blueprint for navigating the messy, uncertain world of startup execution.
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A community-driven digital experience where users plant memories to the places they live, travel, and love — turning geography into personal story. Built for connection, driven by human experience.
Visit YearningMap.comLeading AI-enabled transformation initiatives across global operations, driving experimentation, automation, and data-informed decision-making that sets new benchmarks for Trust & Safety at scale.
Designing and delivering AI literacy and training frameworks that upskill global teams — bridging the gap between cutting-edge AI tools and real-world operational application in complex, high-risk environments.
Active contributor to Learning and Development programmes — volunteering expertise in curriculum design, mentorship, and capability-building for professionals navigating trust, safety, and digital environments.
Hosting and speaking at industry events, panels, and community gatherings — bringing executive insight on platform trust, AI governance, policy strategy, and the future of global content operations to the stage.
Building passion projects and digital communities — including YearningMap, a platform where people plant personal memories to the places they inhabit, fostering human connection through shared experience.
Author of Beyond the Idea — offering product consultation, guided frameworks, and launch strategy for founders, startup CEOs, and builders navigating the journey from concept to customer-ready product.
Honored as a beacon of leadership for demonstrating exceptional vision, decision-making under pressure, and the consistent ability to elevate teams and outcomes across global operations.
Recognized among the highest-performing professionals — a distinction reserved for individuals delivering sustained excellence, strategic impact, and outstanding contribution to organizational success.
Awarded for exceptional impact in training and development — celebrated for designing learning experiences that consistently produce high-performing, capable, and confident professionals at scale.
Open to senior Trust & Safety, Product Management, and advisory roles — and available for direct inquiries on service engagements, coaching, and mentorship.
Whether you're a founder seeking guidance, a leader exploring partnership, or an organization building the next generation of platform safety — I'd love to hear from you.
Browse the full menu of services, packages, and engagement options on my LinkedIn Services profile ↗
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