About TriNet

NYSE: TNET

TriNet provides full-service HR solutions, so you get time back to focus on your business, your employees get HR support and your business gains the HR guidance it needs.

HR excellence by the numbers

30+

years in business, founded in 1988 in the San Francisco Bay Area

~341,000

worksite employees as of 03/31/25

~20,000

clients as of 12/31/24

Ranked #1 by Newsweek

We ranked #1 in Newsweek’s inaugural Excellence 1,000 Index 2024, which recognizes 1,000 businesses across 25 industries. We earned the top spot for exceeding best practices in financial responsibility, stakeholder ratings and social responsibility.

Empowering people, elevating business

We believe companies thrive when people do. That’s why, over the last 30+ years, we’ve made it our mission to guide small and medium-size businesses through daily HR needs and challenges. With passion, empathy and proven expertise, we offer the guidance and technology to help your company—and your people—flourish.

Mission
Power the success of small and medium-size businesses by supporting their growth and enabling their people.

Vision
To become the most trusted advisor to SMBs by harnessing the power of scale.

Core Values
We recognize the incredible opportunity that can be realized by working together with a shared view of how we support our clients. This is illustrated in our core values:

Lead with the customer
Stand together
Act with integrity
Make an impact
Be incredible

ESAC Accreditation

We comply with all ESAC standards and have maintained continuous ESAC accreditation since 1995.

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Certified PEO

A TriNet subsidiary is classified as a Certified Professional Employer Organization by the IRS.

Meet Our Leadership Team

Our leaders are passionate experts who work to drive product innovation, business growth and scalable operations. Get to know the leaders behind our mission whose passion powers our purpose.

Mike Simonds

President and Chief Executive Officer

Executive Team

Mike Simonds

President and Chief Executive Officer

Mike Simonds is President and CEO of TriNet and joined the Company in February 2024.

Before joining TriNet, Simonds served as Executive Vice President and Chief Operating Officer at Unum Group, a Fortune 500 provider of workplace benefits and services. In this role, Mike was responsible for all of Unum’s active businesses, collectively serving nearly 40 million workers and their families globally.

He previously served as President and CEO of Unum US, Unum Group’s largest business unit, as well as other management positions at Unum. During this time, Simonds helped to lead the company's investments in a differentiated customer experience through HCM partnerships and expansion in voluntary benefits, dental, vision, and absence management solutions.

Prior to Unum, Simonds served a range of financial institutions as a consultant at McKinsey & Company and has served on a number of non-profit boards focused on issues of health, education, and financial stability.

He holds a bachelor’s degree from Bowdoin College in Economics and Anthropology and a master’s in business administration from Harvard Business School.

Catherine Wragg

Chief People Officer

Executive Team

Catherine Wragg

Chief People Officer

Catherine Wragg joined TriNet in 2017 and serves as Chief People Officer, overseeing learning and development, HR operations and compliance, talent acquisition, compensation and analytics, and internal HR support to the business.

Previously, Catherine served as the senior vice president of Business Development at Giorgio Armani Corporation, where she collaborated with the CEO on various business strategies, including the management of the e-commerce channel for North America. Earlier at Giorgio Armani, she was the senior vice president of Human Resources at A|X Armani Exchange. Catherine led the integration of A|X into Giorgio Armani following its acquisition by Giorgio Armani Group. Prior to that, she was the senior vice president of Human Resources and Administration at Tower Group International, Ltd., where she was responsible for establishing and growing an internal HR function to support a rapid growth property and casualty insurance company. Catherine partnered with her colleagues on two successful initial public offerings and integrated various acquisitions. She supported 18 offices throughout the U.S. and Bermuda.

Jay Venkat

Executive Vice President, Strategy, Products and Transformation

Executive Team

Jay Venkat

Executive Vice President, Strategy, Products and Transformation

Jay Venkat is a subject matter expert in digital and technology transformation, including agile ways of working and large-scale re-platforming. He has extensive experience in digitizing customer journeys and working side by side with CTOs in transforming the technology function. He came to TriNet from Boston Consulting Group, where he spent the majority of his two-decade career, leading the technology, media and telecom practice area in North America, as well as the firm’s San Francisco and Silicon Valley offices.

Jeff Hayward

Chief Technology Officer

Executive Team

Jeff Hayward

Chief Technology Officer

Jeff Hayward is an award-winning global technology and engineering executive who brings to TriNet more than 25 years of experience, most recently as senior vice president of Product Engineering for Airline Solutions at Sabre, a software and technology company that powers the global travel industry. He has also held leadership roles both domestically and internationally for leading technology companies Unisys, Dell EMC and others. His track record includes successfully leading dispersed teams to meet enterprise-level goals, transforming multibillion-dollar portfolios and optimizing organizational effectiveness across a variety of interdependent components.

Kelly Tuminelli

Executive Vice President and Chief Financial Officer

Executive Team

Kelly Tuminelli

Executive Vice President and Chief Financial Officer

Kelly Tuminelli joined TriNet in September 2020 and is the executive vice president and chief financial officer. Kelly is also the executive sponsor of TriNet's Women@Work colleague resource group.

Kelly is a seasoned financial executive bringing more than 30 years of financial services experience in the insurance, investment and consulting industries. Prior to joining TriNet, she served as the executive vice president and chief financial officer at Genworth.

In addition to her more than 15 years at Genworth in roles of increasing responsibility, Kelly previously held leadership roles at GE Capital and PricewaterhouseCoopers. Kelly is on the Board and chairs the Audit Committee of TaskUs and was previously on the board of MENTOR-Virginia, as well as the past chair for AMP! Metro Richmond, a Richmond-based middle school mentoring program. She also previously served as chair of the American Heart Association’s Richmond-area Go Red for Women campaign.

Shea Treadway

Chief Revenue Officer

Executive Team

Shea Treadway

Chief Revenue Officer

As Chief Revenue Officer for TriNet, Shea Treadway is responsible for new client sales and existing client relationship management. He joined TriNet in 2024, bringing more than two decades of experience working with small and medium-size businesses (SMB) in the employee benefits market. He has a track record of success in managing multi-channel, and tech-enabled sales and client management organizations at scale. He has also proven skilled at adapting leaders, and consistently delivering strong results.

Immediately before joining TriNet, Shea was Senior Vice President and Head of Distribution for Principal Financial Group, where he led a team of over 2,000 sales consultants, account managers, and affiliated distribution team members responsible for more than 100,000 SMB customers.

He has held senior leadership roles in both direct and brokerage distribution of voluntary benefits. He served as Colonial Life’s Senior Vice President of Field and Market Development. He also successfully created and grew a dedicated employee benefit SMB segment at Unum, where he transformed the business through proprietary technology and human capital management partnerships.

Additionally, Treadway serves on the board of IU Simon Comprehensive Cancer Center. He holds a bachelor’s degree in political science from Yale University, and a Master of Business Administration from the University of Michigan Ross School of Business.

Sidney Majalya

Senior Vice President, Chief Legal Officer and Secretary

Executive Team

Sidney Majalya

Senior Vice President, Chief Legal Officer and Secretary

Sidney Majalya has been with TriNet since April 2024, and has served as Senior Vice President, Chief Legal Officer and Secretary since September 2024. He was promoted into his current role from his prior position as TriNet Vice President and Deputy General Counsel.

He has more than 25 years of legal, risk, and compliance experience in the financial services, technology and government sectors, as well as a strong track record of building, inspiring, and leading amazing teams.

Prior to joining TriNet, Sidney was Executive Vice President, Chief Risk Officer and Deputy General Counsel at Binance.US. Other executive roles he has held include Executive Vice President, Chief Risk Officer and Deputy General Counsel at BAM Trading, Vice President, Chief Compliance Officer & Group Counsel of Global Affairs at Intel, and leadership positions at both Oracle and Uber.

Additionally, he spent nearly 10 years as a trial attorney for the U.S. Department of Justice, Antitrust Division. Sidney holds a Bachelor of Arts in Government from Dartmouth College and a Juris Doctorate from Columbia University Law School.

Thomas Rose

Senior Vice President, Customer Success and Operations

Executive Team

Thomas Rose

Senior Vice President, Customer Success and Operations

Tom Rose is Senior Vice President, Customer Success and Operations for TriNet's PEO and SaaS HCM customers. In this role, Tom leads TriNet‘s global team focused on customer service, customer success and core service delivery. He stepped into this newly created role in November 2022 from his previous leadership position as Vice President of Customer Solutions.

Tom has been with TriNet for more than 23 years, starting as an account executive and going on to hold various leadership roles of increasing responsibility. He created, implemented and operationalized TriNet’s NPS program, was responsible for the development and deployment of TriNet’s Account Management function, created and operationalized TriNet’s customer resolution program, and played a key role in the design and deployment of the end to end journey of a TriNet PEO customer. Tom’s deep experience in our company and with our customers allows him to work across TriNet’s interdependent functions using agile methodologies to ensure that our customers have access to and can optimize their engagement with TriNet’s comprehensive product line.

Tim Nimmer

Senior Vice President, Insurance Services and Operations

Executive Team

Tim Nimmer

Senior Vice President, Insurance Services and Operations

Tim Nimmer joined TriNet in June 2024 and serves as Senior Vice President, Insurance Services and Operations.

Previously, Tim was the Senior Vice President - Chief Actuary, Underwriting, Digitalization and Transformation Solutions at leading insurance company Aetna Inc. where he led the Company’s pricing, underwriting and digital transformation, supporting more than $100B in revenue and 26 million members.

Before Aetna, he served as Aon’s Global Chief Actuary with oversight for all pricing, underwriting, analytics, and the innovation centers in Dublin, Ireland and Singapore for one of the world’s leading insurance brokerages.

Tim is a Fellow of the Society of Actuaries and a Member of the American Academy of Actuaries. He holds a bachelor's degree in Statistics, with an emphasis in Mathematics and Psychology from the University of Missouri.

News & Press

Picture of TriNet Colleagues answer the question What Does Allyship mean to you?

TriNet’s Culture of Belonging - our promise in action.

A Culture of Belonging - these aren’t just words – they’re our promise in action. We foster our One TriNet Culture of Belonging through Colleague Resource Groups, custom inclusion courses, events and policies that support inclusivity for all. We serve a diverse set of customers and our colleagues represent an amazingly wide range of perspectives, backgrounds and experiences. It’s an ongoing journey we are committed to.

Culture of Belonging efforts

TriNet Foundation

The TriNet Foundation, a donor advised fund of TriNet, is a charitable giving account that supports our Corporate Social Responsibility program and giving efforts.

Our Approach
Through our efforts, we strive to improve humanity through creating, expanding and amplifying volunteerism and giving.

Who We Support
We support nonprofits that foster positive change, economic development and the growth of entrepreneurism. This includes groups related to veterans, historically underrepresented businesses and trade schools/entrepreneurial education programs.

Learn how TriNet’s foundation makes an impact

Careers

We’re disrupting the HR industry through thought leadership and tremendous growth. If you’re ready to take your career to the next level with a company that recognizes the value of teamwork, come discover TriNet's incredible opportunities across a wide range of positions.

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ESG Report

TriNet’s Environmental, Social, and Governance (ESG) Report showcases the work we’ve done and are developing. It provides a new level of transparency into how we operate and our role with respect to sustainability, our stakeholders, and our community.

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Investor Relations

From up-to-date stock information and the latest financial news to SEC filings, financial statements, investor alerts, and more, the TriNet investor relations page provides pertinent financial information for our shareholders and corporate governance.

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Advocacy

A groundbreaking initiative designed to amplify the voices of small and medium-sized businesses with policymakers. Our platform leverages TriNet’s unparalleled expertise in HR and deep industry insights to advocate for policies that drive growth and innovation. Empower your business and make your voice heard in Washington, DC.

View TriNet Advocacy