Guillian Eller

Lead Recruiter

New York City, New York, United States3 yrs 9 mos experience

Highly StableAI Enabled

Key Highlights

Million Pound Biller recognized globally.
Top 5% biller globally in recruitment.
Ranked #1 Performing Consultant in Europe.

Stackforce AI infers this person is a specialized recruiter in AI and Machine Learning sectors.

Contact

Skills

Core Skills

Artificial Intelligence (ai)Machine LearningLeadershipTalent ManagementClient Relations

Other Skills

Large Language Models (LLM)MLOpsNLPComputer VisionApplicant Tracking SystemsClosing CandidatesOnboardingAdvisementInterviewingHuman Resources (HR)RecrutementIA pour le recrutementÉcoute activeRecrutement ITGestion des comptes

About

I specialize in hiring senior-level AI, Machine Learning, and Data talent for US tech companies. At Harnham, I partner with founders, CTOs, and Heads of AI to build teams working on: LLMs & Generative AI, applied ML, MLOps, data platforms, and production-grade AI systems. My focus is the top end of the market, engineers and leaders who design, deploy, and scale real-world AI. I work with companies building: • LLM applications, RAG pipelines, and agentic systems • ML infrastructure and model serving at scale • NLP, computer vision, and advanced analytics products If you’re building AI at a serious level or want to join a world-class team, let’s talk. Personal achievements: 🏅 Million Pound Biller 🏅 Top 5% biller globally 🏅 Q4 2025 Top Perm Biller – Global 🏅 #1 Performing Consultant in Europe (2022, 2023) 🏅 3rd Highest Perm Consultant in Europe (2021) ✉️ guillianeller@harnham.com ☎️ +19294327530 🔗 www.harnham.com

Experience

3 yrs 9 mos

Total Experience

3 yrs 9 mos

Average Tenure

Current Experience

Harnham

4 roles

Lead Recruiter - AI & ML

Promoted

Feb 2024 – Present · 2 yrs 4 mos · London Area, United Kingdom

Key impact & responsibilities:
Own and scale Harnham’s AI & ML recruitment practice across the US, supporting VC-backed startups, scale-ups, and enterprise innovation teams.
Act as a strategic advisor to leadership on AI org design, hiring strategy, and senior talent acquisition in highly competitive markets.
Lead complex, high-stakes searches for Staff+, Principal, Director, and Head of AI/ML roles.
Partner with technical leaders building:
LLM-powered products, RAG pipelines, and agentic systems
Production ML platforms, model serving, and MLOps infrastructure
NLP, Computer Vision, and research-to-production teams
Drive client growth through long-term partnerships rather than transactional hiring.

Artificial Intelligence (AI)Machine LearningLarge Language Models (LLM)MLOpsNLPComputer Vision

Managing Recruiter - Data, AI & ML

Promoted

Apr 2022 – Jan 2024 · 1 yr 9 mos · London Area, United Kingdom

Key impact:
Built and managed a team of up to 6 consultants for the French Market, mentoring them in business development, technical recruitment, and enterprise account growth.
Personally led high-value searches for C-level, VP, Director, and Principal profiles in Data Science, ML, and Analytics.
Developed and owned strategic accounts across France, positioning Harnham as a long-term AI & Data hiring partner.

LeadershipApplicant Tracking SystemsClosing CandidatesOnboardingAdvisementClient Relations+3