Founded in 2014, TSERGAS Human Capital is a Human Resources consulting firm based in Toronto, Canada.

Recognizing that each business has its own unique needs, TSERGAS Human Capital delivers customized, flexible, and cost-effective HR solutions to small-to medium-sized Canadian and US-based companies.

We deliver straightforward, practical, and results-driven HR solutions to our clients, who range from boutique law firms to global tech companies; to non-profit organizations in different stages of the business lifecycle.

With a collective 45 years of HR, employment law and professional services experience, our HR expertise has been sought by companies looking to boost employee engagement and performance, increase organizational efficiency, and manage legal circumstances without the cost or long-term commitment of hiring additional employees.

As our client testimonials will endorse, the team of consultants at TSERGAS Human Capital is passionate about helping clients be better employers and do better business.

Contact us to discover how our HR consultants can help your business with our flexible virtual and on-site HR outsourcing services.


We believe authenticity is an essential part of being impactful in HR, and we hold strongly to our values of remaining transparent, agile, and accountable in servicing our clients. Our commitment to these principles is how we have been able to establish meaningful, collaborative relationships with our employer clients and their employees for the past seven years.


Effie Tsergas


Effie Tsergas has been a champion of positive organizational behavior for over twenty-five years. She founded TSERGAS Human Capital seven years ago. When it comes to authentic transformational leadership, Effie not only talks the talk: she walks it with confidence. Aside from her “effervescent”  personality and unwavering commitment to HR best practices, Effie is well-known for her work with some of the top legal firms in Canada. She assists clients across various industries with everything from targeted recruitment, strategic human resources planning, and growth and change management initiatives. With a wealth of experience in human resources, investigations, law, public relations, and marketing communications, Effie is a seasoned strategist with expertise you can bank on.

Cierra James-Hahn

Senior HR Manager

Cierra James-Hahn is an experienced human resources professional with a comprehensive background in recruitment and onboarding, contract writing, compensation and benefits, health and safety, and policy development. Driven by the desire to help employers and employees reach their full potential, Cierra takes pride in developing and implementing thoughtful and effective human capital solutions and services. As Senior HR Manager at TSERGAS Human Capital, Cierra’s objectives include fulfilling client obligations related to recruitment, HR management, HR planning, health and safety, payroll and benefits administration, and other fractional HR services. In addition to her primary job functions, Cierra has been recognized for her extraordinary commitment to ethics and legal compliance when providing solutions to complex business challenges.

Oti Igbinosun, CHRP


Oti Igbinosun is a Human Resources professional with nearly a decade of experience in oil & gas, consulting and the non-profit spaces in Africa, Europe and North America. She holds an MSc in International Human Resources Management & Employment Relations from Queen Mary University of London where she graduated with distinction.

Working within lean HR teams, she has functioned in several areas of HR including recruiting, onboarding, training, employee relations, performance management, employee wellness and change management. Additionally, Oti ensures that policies and procedures are properly applied in accordance with the overall HR strategy of the business, while complying with legislative requirements.

Oti has used her strong human resources background to effect positive change in organizations and is passionate about supporting the people who make those organizations a success. She enjoys utilizing data to influence strategic business decisions.

Outside work, Oti enjoys baking and volunteers as part of the leadership team of her local Salvation Army BCC and in IBI, a training start-up.

TJ Liebgott

Digital Marketing

Beginning his career in audio production, TJ suddenly pivoted into the world of online marketing and web development after co-founding Toronto Music Scene, a viral online chronicle of the city’s thriving music ecosystem.

From there he grew a collection of his own boutique online arcade businesses before turning his attention towards helping both entrepreneurs and corporate clients improve and grow their digital presence. Over the past decade TJ has accumulated a vast portfolio of innovative websites and marketing strategies for clients in a variety of industries.