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Trellix CEO
Our CEO on Living Security

Trellix CEO, Bryan Palma, explains the critical need for security that’s always learning.

Gartner Marketplace Guide (XDR)
Gartner® Report: Market Guide for XDR

As per Gartner, "XDR is an emerging technology that can offer improved threat prevention, detection and response."

Trellix Launches Advanced Threat Research Center
Trellix Launches Advanced Research Center

Trellix announced the establishment of the Trellix Advanced Research Center to advance global threat intelligence.

The Threat Report - February 2023
Latest Report

Trellix Advanced Research Center analyzes Q4 2022 threat data on ransomware, nation-states, sectors, vectors, LotL, MITRE ATT&CK techniques, and emails.


Meet our executive team.
Portrait of Trellix Chief Executive Officer, Bryan Palma

Bryan Palma


Chief Executive Officer

Bryan devotes himself to helping the world’s greatest companies leverage innovative technology to transform their business and customer experience. Before stepping into the role of CEO, Bryan was EVP FireEye Product Division and led the sale to Symphony Technology Group. Subsequently, he led the integration and rebranding of McAfee Enterprise and FireEye to form Trellix. He has also served as BlackBerry’s President and COO, Cisco’s SVP and GM of Americas Customer Experience, Boeing’s VP of Cyber and Security Solutions, PepsiCo’s first CISO, and as an agent in the U.S. Secret Service. Bryan is a member of the Board of Directors for TPX Communications.

Bryan holds a Bachelor of Arts from the University of Richmond, Master of Education from the University of Maryland, and Master of Business Administration from Duke University’s Fuqua School of Business.


Ian Halifax


Chief Financial Officer

Ian brings extensive experience scaling complex technology organizations, driving operational and revenue growth, and leading merges and acquisitions. Prior to Trellix, he was CFO at several technology companies – public and private – including Riverbed, ON24 and Macrovision (now TiVo), Micromuse (acquired by IBM), Wind River Systems (acquired by Intel), Tintri, Host Analytics and Grass Valley. He also held finance positions at Sun Microsystems and KPMG.

Ian holds a Bachelor of Arts from the University of York and an MBA from Henley Management College in the United Kingdom. He is a Certified Public Accountant and Certified Management Accountant.


Portrait of Ian Halifax, Trellix Chief Financial Officer
Prtrait of Adam Philpott, Trellix Chief Revenue Officer

Adam Philpott


Chief Revenue Officer

Adam focuses on helping create customer value at scale and building trusted partnerships with clients and channel partners. He brings a long history of developing best-in-class teams, global sales leadership, cultivating culture and accelerating growth. Prior to Trellix, Adam was President of Global Sales for McAfee Enterprise and led McAfee EMEA’s business as an SVP. He has also held sales roles spanning EMEA and the broader APJ region at Cisco and Ingram Micro.

Adam was recently nominated to Vice Chair of the London Council as an active member of the Confederation of the British Industry (CBI), working with a network of businesses to create opportunities, build, innovate and cultivate a better future for the next generation. He is also active in the start-up community and through board advisory roles.


Aparna Rayasam


Chief Product Officer

Aparna guides the team responsible for the development and strategy of Trellix’s XDR ecosystem and leads Trellix Advanced Research Center. A recognized leader in the application security and enterprise software industries, Aparna has 20+ years of experience at industry leaders – Akamai, Oracle, and Adobe – where she steered the evolution of products and R&D, architected new market categories in security, managed large acquisition and integration efforts, and led cross functional engineering and product teams. She is energized by integrating customer empathy into the product development cycle and mentoring and is on the board at TeleSign.

Aparna holds a Bachelor of Science from Bangalore University and completed executive education courses at MIT.


Portrait of Aparna Rayasam, Chief Product Officer
Potrait of Kim Anstett, Chief Information Officer

Kim Anstett


Chief Information Officer

Kim leads the Enterprise Technology and Operations organization at Trellix. Under her leadership, Kim’s teams develop and execute a technology strategy that drives efficiency, flexibility, and transformation across the business to advance Trellix's vision. With more than 25 years industry experience, Kim brings her extensive background guiding teams to drive innovation. Prior to Trellix, she was Executive Vice President and Chief Technology Officer at Iron Mountain leading teams across product development and innovation, and CIO at Nielsen, focused on customer value and increased cybersecurity outcomes.

She holds a B.S. from Tufts University and currently serves on the Board of Directors for Quotient Technology.


Michael Alicea


Chief Human Resources Officer

Michael has galvanized internationally dispersed teams to deliver outstanding performances throughout mergers and divestitures, public to private and private to public transitions, reorganizations, business model and work culture transformations and internal/external crises. He leads the people-focused tech organization as it transforms while also serving as a public board member at Emerald Expositions (EEX). Prior to his current role, Michael was Chief People Officer at NielsenIQ where he headed all HR activities for a workforce of 32K across 100+ countries.

Michael holds a Bachelor of Business Administration from Baruch College and completed graduate courses in Human Resources Management and Business Policy. He also completed the Nielsen Global Leadership Program in Mumbai, India and is a recognized champion of inclusion, diversity and equity.


Portrait of Michael Alicea, Trellix Chief Human Resources Officer
Portrait of Brett Hannath, Trellix Chief Marketing Officer

Brett Hannath


Chief Marketing Officer

Brett drives brand and campaign strategy, ensuring Trellix's differentiation in the dynamic cybersecurity market. With a 35-year career in enterprise computing, Brett started his career as a developer before transitioning to product marketing roles with Progress Software and then Oracle where Brett launched the world's first internet-enabled database. At Intel Corporation, Brett led regional business development and alliances and drove the commoditization of 64-bit computing and at TIBCO Software. Brett enjoys the colliding worlds of the CIO and CMO and all the promise it brought to re-defining how companies, consumers and systems interact.

Brett holds a Bachelor of Science from Monash University in Computer Science.


Tara Flanagan


General Counsel

Tara leads the Trellix legal team where she pulls from her experience as a senior corporate attorney with extensive experience in the global tech, commercial and government markets to define many of Trellix’s business operations. A member of the Bars of California, the District of Columbia and Virginia, Tara brings to Trellix a proven in-house track record taking on new legal roles, developing positive, long-term business relationships, negotiating complex contracts, building processes and compliance programs, and in hiring, training and managing legal teams. Prior to Trellix, Tara held roles at McAfee, Extreme Networks, Polycom, Cisco and at law firm McKenna, Conner & Cuneo.

Tara holds a Juris Doctorate from Pepperdine Law School and a Bachelor of Arts from Tulane University.


A portrait of Tara Flanagan, Trellix General Counsel
A portrait of Ashley Arbuckle, Trellix SVP at Customer Success

Ashley Arbuckle


SVP, Customer Success

Ashley leads customer success, quality, and growth at Trellix. He is laser-focused on designing and accelerating exceptional customer experiences throughout the lifecycle to provide the best security outcomes for all. With more than 20 years of security and customer success experience, Ashley has steered customer, product, and service programs at leading companies like TPx, Cisco, PepsiCo, and PwC while consistently exceeding financial and operational targets. To Trellix, Ashley brings a passion for building inclusive and diverse global teams eager to drive business transformation.

Ashley holds a Bachelor of Business Administration from Texas Tech University, is a CPA, and holds a CISSP and CISM.


Gareth Maclachlan


SVP, Network & Email Business

Gareth leads the team responsible for Trellix’s Network & Email Business and the Transformation office. He brings deep expertise having most recently led the Separation Management Office for FireEye’s divesture from Mandiant. Prior to FireEye, Gareth served as Adaptive Mobile’s Chief Operating Officer and held multiple leadership positions at PWC Consulting.

Gareth holds a Bachelor of Science from the University College London and a Master of Business Administration from London Business School.


A portrait of Gareth Maclachlan, SVP of Network & Email Business

Sean Morton


SVP, Services

Sean oversees professional services delivery and corporate strategy at Trellix. In this role, he helps customers elevate their security posture through partnered engagements with Trellix consulting experts. Sean is hyper-focused on creating incredible outcomes for customers with his unique perspective encompassing technology, strategy and design. He joined Trellix from FireEye/Mandiant and has held several leadership positions spanning Engineering, UX, Product, Partnerships, Marketing, and Strategy. Prior, he held several digital roles at GE, where he ran cross-business programs across web, mobile, search, and design.

Sean holds a Master of Science in Computer Science & Engineering from the University of Connecticut and a Bachelor of Science in Computer Science & Engineering from Bucknell University.


Sara Aiello


VP, Communications

Sara steers internal and external communication programs designed to inspire, inform and align global businesses. Prior to Trellix, Sara was the head of growth & engagement for Amazon’s large item business. As BlackBerry VP of field marketing, she led the global marketing and sales enablement teams to drive recognition of the company's technology. At Cisco, Sara led the security customer experience practice, contributing to customer adoption acceleration. She also steered the marketing strategy of a billion-dollar service rebrand. As executive briefing center director for cybersecurity at The Boeing Company, Sara’s expertise in creating a positive customer experience secured critical contracts.

Sara holds a Master of International Business from Seattle University and a Bachelor of Science from Clarkson University.


Portrait of Sara Aiello, Trellix VP of Communications