Sourcing Certifications & Training for Recruiters

Providing premier sourcing training, assessment, and accreditation services, crafted by talent experts for talent specialists.


Assisting countless professionals, ranging from individuals to 300+ member teams, since our 2012 inception. We eagerly anticipate supporting you!

Meet the Team

Irina Shamaeva


Irina, Partner and Lead Sourcer at Brain Gain Recruiting, excels in Sourcing, drawing from her software engineering and management experience in Bay Area startups and biotech companies. The creator of the Boolean Strings blog, she also oversees the largest global online community of Sourcers. Irina imparts exceptional Sourcing training and holds a Master's in Mathematics from Moscow University.

David Galley

Director, Training Programs

David, a "Sourcing nerd," relishes unearthing intricate specifics and uncovering overlooked data. As our training services' architect and provider, he conducts tailor-made virtual and on-site workshops for enterprise groups and recruitment firms.

David possesses a BS in Accounting from Colorado Technical University.

Theresa Cromie

Head of Social Media

Theresa is the person behind our social media and marketing strategy, with 15 years of experience in the tech and manufacturing industries. She enjoys creating and implementing effective marketing campaigns. She also loves to interact with customers and listen to their feedback and suggestions. She is driven by her passion for helping people and making a positive difference.