
Our Story
Welo Data is a leader in Artificial Intelligence (AI) and GenAI 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 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, and has 25 years’ experience in Linguistics and AI data, including founder and leadership roles at Lionbridge AI and Telus AI. She leads the business and its strategy, with a focus on research and meaningful change in AI through elevating Welo’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
Details
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.

Canute Haroldson
Details
Canute Haroldson is the Vice President of Growth at Welo Data. At Welo Data, he is hard at work designing novel workforce management tools and processes that upskill and uplift the many people and communities that make up our workforce. Canute graduated with a dual Bachelors in Mechanical Engineering and Public Policy from Carnegie Mellon University, and is currently pursuing a part-time Masters in Sustainability Management at Columbia University.

Fernando Migone
VP of Transformation
Details
Fernando Migone is the Vice President of Transformation 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
Details
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.
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.
AI Search Engine leader, 2024

A Novel Framework for Testing Causal Reasoning in LLMs: Design, Data Collection, and Evaluation
This Welo Data research paper introduces a novel framework for…

CASE STUDY: Improving Helpfulness in LLMs
Discover how Welo Data improved the relevance and alignment of…

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!