About Ethos

The Ethos Team

Hello There!

We’re Ethos Human Capital Solutions, an HR advisory firm that loves sharing, creativity, and positive vibes.

Pleased to meet you!

We’re Ethos Human Capital Solutions with a passion for sharing our knowledge and experience, for engaging people, and for creating a work environment that rocks.

We see the transformative power of people working well together every day.  We’re excited to help your business experience that.

We’ll help you attract and secure premier talent, unravel and resolve complex people problems, develop leaders to top performance, and help professionals master relationship skills. Together we can unleash the magic of a united team at your business.

We want you to have greater clarity and certainty in decision-making, an unbiased and extremely experienced perspective you can count on, and the productivity and profitability that propels your business to the next level.

Let us help you build your business through people strategies that work.

We serve local, regional and national businesses across industries that want to improve the performance of their business. Many of our clients come from:

Non Profit
Property Management

Your HR Leaders

Linda Duffy

Linda Duffy

Founder and President

Linda has 20-years of executive-level experience with major corporations. Linda is a certified Senior Professional in Human Resources (SPHR), a SHRM Senior Certified Professional (SHRMSCP).

Learn more about Linda

Ivana Sifuentes

Ivana Sifuentes

Vice President

Ivana is a dynamic Human Resources Leader with 15 years of experience leading the human capital strategy for organizations in a range of industry sectors such as manufacturing, pharmaceuticals, healthcare, engineered components, and consulting services.

Learn more about Ivana

Sarai Gonzalez-Hicks

Human Resources Consultant

Sarai is a results-oriented Human Resources and Payroll professional with over 8 years of experience. Her background includes supporting non-profit, construction, hospitality, online retail, and professional services industries. She recently completed her Master’s in Business Administration.

Learn more about Sarai

Ethos - Melissa Araya Human Resources Recruiter

Melissa Araya

Human Resources Recruiter

Melissa Araya joined the Ethos team in April 2022 as a Recruiter. She has over ten years of full-cycle recruiting experience, six years of HR management, and healthcare regulatory compliance experience.

Learn more about Melissa

Erin Brady

Sr. HR Consultant/Recruiter

Erin Brady joined our team in July 2021 as our Sr. HR Consultant/Recruiter. Erin provides general HR consulting to our clients and offering strategic advice on all human capital-related issues.

Learn more about Erin

Kelly Henry Photo

Kelly Henry

Senior HR Consultant

Kelly joined the Ethos team as our Senior Human Resources Consultant and has over 20 years of human capital experience in various industries, including technology, software, telecommunications, and healthcare.

Learn more about Kelly

Ethos - Yaneli Herrera, HR Specialist

Yaneli Herrera

HR Specialist

Yaneli Herrera joined the Ethos team in March as our new HR Specialist. In her role, she is focused on employee onboarding, off-boarding, and coordinating harassment training for our clients.

Learn more about Yaneli

Nicole Martinez

Nicole Martinez

Human Resources Specialist

Nicole is an organized, detail-oriented project manager who joined Ethos in September 2020. She has gained progressive experience in Human Resources by managing employee onboarding and separations for in-house and remote talent.

Learn more about Nicole


Maria Varela Patrick

Principal Consultant

Maria joined the Ethos team as Principal Consultant with more than 20 years of human capital experience in various industries, including publishing, hospitality, property management, start-up businesses, consulting, and private coaching. She is passionate about talent development and mentoring.

Learn more about Maria

Ethos - Tammy Stagner Principal Consultant

Tammy Stagner

Principal Consultant

Tammy Stagner is an SPHR and SHRM-SCP Certified Human Resources and Operations executive who joined the Ethos team in April as Principal Consultant. She has 25+ years of experience in HR and most recently worked as VP of Operations and Organizational Development for a transportation company in Southern California.

Learn more about Tammy

Ethos - Nanette Trevino Human Resources Specialist

Nanette Trevino

Human Resources Specialist

Nanette joined the Ethos team in late 2021. She has more than ten years of experience as an in-house Human Resources Manager and was responsible for developing the new hire and onboarding processes, creating employee handbooks, recruiting, and payroll processing in her previous role.

Learn more about Nanette

Connect with Us


17192 Murphy Ave. #19339
Irvine, CA 92623


The People Problem Solver®

“Linda is one of the best human resources professionals I have had the pleasure of working with. She is intelligent, incredibly articulate and conscientious. Linda has a strong foundation in employment law, but her real strength is in dealing with people.”

— Marla Robinson, Partner, Merhab Robinson & Jackson