About TriNet


TriNet is a professional employer organization, or PEO, that provides small and medium-size businesses (SMBs) with full-service HR solutions tailored by industry. To free SMBs from HR complexities, TriNet offers access to human capital expertise, benefits, risk mitigation and compliance, payroll and real-time technology. From Main Street to Wall Street, TriNet empowers SMBs to focus on what matters most—growing their business.

Mission & Vision


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


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

Core Values

TriNet recognizes 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
30+ Years

Founded in 1988 in the San Francisco Bay Area


Clients as of 12/31/22


Worksite employees as of 9/30/23


ESAC Accreditation
TriNet complies with all ESAC standards, and has maintained continuous ESAC accreditation since 1995.
View Accreditation
Certified PEO
A TriNet subsidiary is classified as a Certified Professional Employer Organization by the IRS.
Milestones Over three decades of incredible HR service

Meet Our Leadership

Executive Team

Board of Directors

Burton M. Goldfield

President and Chief Executive Officer

Since 2008, Burton M. Goldfield has served as president, CEO and board member of TriNet.

Alex Warren

Chief Revenue Officer

Alex Warren is the Chief Revenue Officer at TriNet and oversees the execution of TriNet’s unified operational strategy for customer retention and net new sales which includes both its professional employment organization (PEO)and SaaS human capital management (HCM) businesses. He previously held the role of senior vice president, customer experience at TriNet.

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.

Jay Venkat

Chief Digital and Innovation Officer

Jay Venkat is a subject matter expert in digital and technology transformation, including agile ways of working and large-scale re-platforming.

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

Kelly Tuminelli

Executive Vice President and Chief Financial Officer

Kelly Tuminelli joined TriNet in September 2020 as executive vice president of finance and was appointed as chief financial officer on October 26, 2020.

Michael Mendenhall

Senior Vice President and Chief Marketing Officer / Chief Communications Officer

Michael Mendenhall joined TriNet in March 2018 as senior vice president and chief marketing officer / chief communications officer.

Samantha Wellington

Executive Vice President, Business Affairs, Chief Legal Officer and Secretary

Samantha Wellington has served as executive vice president, business affairs, chief legal officer and secretary of TriNet since April 2022.

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.

News & Press

Press Release
TriNet Earns 95 in Human Rights Campaign Foundation’s 2023-2024 Corporate Equality Index

November 30, 2023

TriNet, a leading provider of comprehensive human resources solutions for small and medium-size businesses (SMBs), has received a score of 95 out of 100 on the Human Rights Campaign Foundation’s 2023-2024 Corporate Equality Index, the nation’s foremost benchmarking survey and report measuring corporate policies and practices related to LGBTQ+ workplace equality.

Press Release
TriNet Releases 2023 Environmental, Social and Governance Report

November 9, 2023

TriNet, a leading provider of comprehensive human resources solutions for small and medium-size businesses (SMBs), today announced the release of its 2023 TriNet Environmental, Social and Governance (ESG) report.

Press Release
TriNet to Participate at Upcoming Investor Conferences

November 6, 2023

TriNet, a leading provider of comprehensive human resources solutions for small and medium-size businesses (SMBs), today announced that Burton M. Goldfield, TriNet's President and CEO, Kelly Tuminelli, TriNet's CFO, and Jeff Hayward, TriNet's CTO, will present at four upcoming investor conferences in November.

View All

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.

Approach: Through our efforts, we strive to improve humanity through creating, expanding and amplifying volunteerism and giving.
Supporting: Nonprofits that foster positive change, economic development and the growth of entrepreneurism.
Related to: Veterans, historically underrepresented businesses, and trade schools/entrepreneurial education programs.

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.

ESG Report

TriNet’s inaugural 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.

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.

Diversity, Equity, Inclusion and Belonging at TriNet

We are in the people business. This is reflected in everything that we do and is brought to life by our mission and vision. We serve a diverse set of customers, and our colleagues represent an amazingly wide range of perspectives, backgrounds and experiences.

Join the conversation

Let's Connect

Learn how TriNet’s comprehensive HR solutions can help your business. 

Fill out the form and we’ll contact you to set up a time to chat. 

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