Our Story
Welo Data is a leader in Artificial Intelligence (AI) and Generative AI solutions, backed by decades of experience and strategic investments in cutting-edge technology. Since 2005, we’ve supported over 125 unique workflows across various industries, offering innovative solutions to tackle complex AI challenges.
We manage millions of tasks related to multimodal large language models (LLMs), natural language processing, and both generalist and domain-specific AI use cases. Our global team of experts is dedicated to helping businesses deploy scalable, efficient, and high-performing AI systems that transform data into actionable insights.
Leadership Team
Siobhan Hanna
Details
Siobhan is Senior Vice President and General Manager of Welo Data by Welocalize. She has 25 years of experience in Linguistics and AI data, including founder and leadership roles at Lionbridge AI and Telus AI. She leads the business and its strategy, focusing on research and meaningful change in AI through elevating Welo Data’s foundational principles of ethical sourcing, agile production, and superior human data solutions to power superior model performance. Siobhan holds a Literature and Linguistics degree from Queen’s University.
Sarha Mavrakis
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Sarha is the Vice President of Global Commercial at Welo Data. With a wealth of experience in leading and expanding strategic accounts in the AI and Client Services sectors, she brings invaluable expertise to her role. Sarha holds an MBA from George Washington University and has an academic background in Biology, Business Administration, and Political Science. Her extensive experience in Global Operations and Supply Chain Management, coupled with her proficiency in Product Development and Technology Implementation, has naturally led her to excel in the NLP and AI fields.
MK Blake
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MK Blake is the Vice President of Global Operations & Quality at Welo Data, with over 10 years of operational experience in data labeling, NLP, and AI training. Her journey began as a rater for search relevance, developing a deep understanding of how human expertise drives exceptional operational teams and influences AI development. With extensive experience managing human data for enterprise LLM development and developing global machine learning workflows and operational processes, she brings invaluable expertise to her role. MK holds dual Bachelor’s degrees in Information Design and Business Administration from Carnegie Mellon University, with postgraduate studies in Law from Georgetown University, using her diverse background to champion the human element in AI data solutions.
Canute Haroldson
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Canute Haroldson is the Vice President of GTM Strategy at Welo Data. He’s focused on applying his background in growth, operations, and customer success to advocate for meaningful solutions and relationships with every new customer as we continue to expand our business. Canute holds a dual Bachelor’s in Mechanical Engineering and Public Policy from Carnegie Mellon University, and a Master’s in Sustainability Management from Columbia University.
Fernando Migone
VP of Research & Innovation
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Fernando Migone is the Vice President of Research & Innovation at Welo Data, with extensive experience in data labeling and collection gained from roles in both sales and operations within the industry. At Welo Data, Fernando focuses on enhancing the value delivered to clients through quality improvement initiatives and leads Welo Data Research Labs, where new data science, data quality, and linguistics initiatives and products are incubated. He holds a PhD in Reproductive Physiology and Biomedical Engineering from Cornell University, using his expertise to drive innovation and transformation across the company.
Alpi Chhabra
Global Scaled Operations
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Alpi Chhabra, with 20 years of operations and delivery management experience, leads flagship hyperscaler programs at Welo Data. She and her global team excel in delivering AI training data, LLM, Ads, and Search relevance solutions, consistently achieving exceptional results on key customer programs.
As an operations leader, Alpi focuses on empowering teams and driving meaningful impact. She prioritizes cross-functional collaboration to ensure seamless service delivery.
Alpi holds a Master’s degree in Computer Science and Engineering, specializing in software engineering and database management.
Mike Leggett
Head of Talent
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Mike Leggett leads Welo Data’s global Talent organization, overseeing sourcing, vetting, and community experience. He brings over a decade of leadership experience in talent acquisition, having scaled AI-focused companies including Invisible, Outreach, and Artisan. With both a Bachelor’s and Master’s degree in Civil Engineering from the University of Florida, Mike blends a technical background with deep expertise in building data-driven, results-oriented talent operations.
Prior to Welo Data, he helped scale the global AI Data Training function at Invisible, balancing the demands of hiring for growth with identifying top talent for highly specialized technical roles. At Welo Data, he is focused on creating a streamlined, high-performing talent infrastructure that ensures consistency, predictability, and quality delivery for enterprise AI.
There’s no way around human input when it comes to making human-like machines. Welo Data proves that you can balance the cost of real human feedback without cutting corners on quality, delivery, or reliability.
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What’s the Difference?
Quantifiable improvements, not just promises.
What We Do 
Gen AI:
Our domain experts and generalists power LLM model training to improve output for your end users.
Model Training:
We train high-quality datasets generated through ethical human-in-loop workflows to fuel world-class AI models.
Data Collection & Labeling:
We gather and meticulously label data to create a high-quality dataset tailored to your requirements.
Evaluation & Iteration:
Continuous evaluation and iterative improvements ensure your models maintain peak performance.
Results
Accuracy Boost
>10% increase in task-specific accuracy upon each iteration.
Innovation
Averages of F1 scores >65% on complex, emerging projects.
Quality Scores
>90% Quality Measures across scaled programs.
Contact Us Today
You have questions. We have answers. Contact us today to talk about your next project and discover what’s possible!