Meet our Tandem HR Executives and Leadership Team. Their expertise brings our clients a full-service HR department with the help of the specialists that work alongside them.


Bruce Leon

Founder & CEO

With over 25 years of experience in the industry, Bruce Leon specializes in identifying unique HR and benefit strategies that align with an organization’s goals and vision.

He is the founder of Benefits Solutions Group (1997), Tandem HR (1998) and Alliance Workplace Solutions (2006). These sister companies all work hand-in-hand to deliver these solutions.

President & COO

Salo Doko

President & COO

Salo is responsible for Tandem HR’s overall operation, including, but not limited to Sales and Account Management. He manages the operating performance of the organization as it relates to Tandem HR’s client services and financial goals. He leads the vision, mission, and values of all functions of Tandem HR, as well as leads the talent strategy of the entire Tandem Family of Companies.

His professional experience spans across business management, organizational development, talent management and consulting. He has a vast amount of experience consulting with organizations ranging from large international, publically traded companies, to small local startups. He focuses on advising C-level executives on strategic talent management and organizational effectiveness initiatives across banking, manufacturing, healthcare, not-for-profit, transportation and construction industries.

Chief Financial Officer

Tanya Yakhnis


Tanya began her career with the Tandem Family of Companies in 2010. Over the past 7 years, she has been instrumental in leading the transformation and evolution of the finance and operation teams. Her role was an integral part of an overall strategic company evolution, which led to significant growth. Her development of a shared services department and overhaul of the organization’s operations positioned the company for growth, in addition to creating efficiencies and streamlining processes.

As the CFO, Tanya oversees the company’s financial stability and promotes growth through exceptional service of all four of the Tandem Family of Companies.

Tanya earned her Bachelor’s Degree from the University of Illinois at Chicago and also holds a CPA certification. She is an active participant on the National Association of Professional Employer Organizations (NAPEO) Accounting Practices Committee. She has a passion for supporting community organizations and is a member of the Board of Directors (Development Board) for the Kohl Children’s Museum. You’ll often find Tanya involved in activities that support growing organizations.

Tandem HR Leadership Team

Zach Gay

Business Development Manager

John Valle

Business Development Manager

Katie Stewart

Director, Strategic Accounts

Stella Terry

Director, Strategic Accounts

Renee Vongsa

Manager, HR Client Services

Lisa Gagliardo

Senior HR Consultant

Jill Hall

Senior HR Consultant

Eric Morse

Senior HR Consultant

Meosha Muhammad

Senior HR Consultant

Myia Ritchie

Senior HR Consultant

Carrie Storozynski

Senior HR Consultant

Rebecca Buckland

Director, Human Resources

Nicole Musillami

Manager, HR Shared Services

Maureen Bostick

Manager, Risk Management

Christian Carranza

Manager, IT

Billy Jo Baker

Manager, Marketing & Public Relations

Joseph Burgher


Beth Gay

Executive Assistant & Office/Building Coordinator

Tandem Family of Companies

Danielle Ozer

Executive VP, Brokerage Services, Benefits Solutions Group

Cassie Coffelt

Manager Client Benefits and Brokerage, Benefits Solutions Group

Gina Wicklas

Director of National Accounts, Alliance Workplace Solutions, Benefits Solutions Group

Sally Rotter

Director of National Accounts, Workplace Solutions EAP

Helen Corley

Director, EAP Account Management, Workplace Solutions EAP

Carol Doyle

Senior Business Development & Account Manager, Workplace Solutions EAP

Paul Avram

Senior Account Manager, Workplace Solutions EAP