Dennis Kozak was promoted to Ivanti Chief Executive Officer January 1, 2025, with responsibility for overall strategic direction and growth for the company.
Dennis had been Ivanti’s Chief Operating Officer since April 2022, where he led business operations including sales, marketing, professional services, customer success and operations organizations. Under his leadership, the company saw growth in SaaS transformation and a unified sales and marketing organization with customer and partner outcomes as the driver.
Dennis brings over two decades of customer and partner-focused experience to Ivanti including delivering sales growth, integrating acquisitions all while achieving operational excellence through innovation and cultural transformations.
Dennis has served in leadership roles at Avaya and CA Technologies, where he led organizations such as global sales, global channel sales and strategy, sales operations and business transformation to deliver a next generation portfolio strategy.
Executive Team
Dennis Kozak
Chief Executive Officer
Dennis Kozak
Chief Executive Officer
Peter De Bock
Chief Financial Officer
Peter De Bock
Chief Financial Officer
Peter is Ivanti’s Chief Financial Officer and oversees all areas of the company’s Finance structure as well as the Facilities teams.
Peter has more than 30 years of experience in the software industry both in large scale organizations and in high growth environments. He brings a wealth of finance excellence and acquisition integration experience to Ivanti. Peter was most recently Chief Administrative Officer at Inovalon, provider of a cloud-based SaaS platform for the Healthcare industry. He has also served in multiple roles at CA Technologies, prior to its acquisition by Broadcom. In his last role at CA, he was the Chief Financial Planning Officer, where he led Global Financial Planning and Analysis for the company, as well as the Global Sales Finance organization.
Peter graduated from the University of Antwerp, Belgium with a degree in Business Administration and Economics.
Brooke Johnson
Chief Legal Counsel, SVP HR and Security

Brooke Johnson
Chief Legal Counsel, SVP HR and Security
Brooke Johnson, Ivanti's Chief Legal Counsel, Senior Vice President of Human Resources and Security, plays a pivotal role in directing Ivanti’s global legal, privacy, HR, and security functions. In her multifaceted role, Brooke manages and advises across a comprehensive scope of critical areas including legal affairs, privacy compliance, employee relations, and security protocols to support and protect Ivanti’s global operations.
Since joining Ivanti in 2017 as Senior Counsel, Brooke’s strategic acumen and leadership have propelled her through the ranks. Her contributions have been instrumental in navigating complex global operations, acquisitions, and addressing privacy and security challenges. Her comprehensive approach ensures that all legal and operational dynamics are seamlessly integrated, promoting a robust and secure working environment.
Before her tenure at Ivanti, Brooke honed her expertise as a partner at Manning Curtis Bradshaw & Bednar, where she successfully represented public and private entities in various business and commercial disputes. This background provided her with a strong foundation in handling complex legal matters, further enhancing her capacity to drive Ivanti’s success.
Melissa Puls
Chief Marketing Officer, SVP Customer Success and Renewals

Melissa Puls
Chief Marketing Officer, SVP Customer Success and Renewals
Melissa is Ivanti’s Chief Marketing Officer (CMO) and Senior Vice President Customer Success and Renewals and responsible for all aspects of the Ivanti customer journey, from initial awareness to purchase, adoption, expansion and renewal – ensuring organizations maximize the value of Ivanti’s solutions for greater outcomes.
Melissa is passionate about all phases of the customer experience and brings decades of experience to Ivanti with a strong track record of fueling growth through a customer-centric approach and integrated marketing strategies for acquired companies. She was most recently senior vice president and CMO at Avid. Prior to this role, Melissa also held CMO and marketing leadership positions with Optanix, Progress, Iron Mountain and Infor.
She holds a bachelor’s degree in communications and psychology from Franklin Pierce University.
Scott Hughes
SVP Revenue Operations and Corporate IT
Scott Hughes
SVP Revenue Operations and Corporate IT
Scott Hughes is SVP Revenue Operations and Corporate IT for Ivanti, responsible for overseeing the global revenue operations and corporate information technology organizations including business operations, data strategy and analytics, business transformation and planning, deal desk and strategic pricing, process and tools, infrastructure, enterprise services, and architecture.
Scott joined Ivanti in July of 2022 with extensive experience in revenue operations, accounting, finance, and information technology, and led enterprise teams in delivering management systems, business transformation, mergers and acquisitions, strategic planning, go-to-market models, compensation, and sales and business process and automation. Scott has a Master of Business Administration from Dowling College and has served in global leadership roles at BeyondTrust, Avaya and CA Technologies driving revenue predictability and growth.
Sterling Parker
Chief Customer Officer
Sterling Parker
Chief Customer Officer
Sterling Parker is Ivanti’s Chief Customer Officer, responsible for strategically and delicately handling all of the needs of Ivanti customers.
Sterling joined Ivanti in August of 2011 as a Technical Support Engineer and over the decade plus with the company, has served in numerous roles within the Support organization, working his way to the current leadership role where he has spearheaded numerous critical Support initiatives positioning Ivanti as an industry leader in customer satisfaction.
Sterling has 25 years of technical support experience and holds a BBA in Finance from the University of Phoenix.
Robert (Rob) Ruelas
Chief Revenue Officer
Robert (Rob) Ruelas
Chief Revenue Officer
As Chief Revenue Officer at Ivanti, Robert (Rob) Ruelas leads the company’s global sales and renewals organization, helping customers realize greater value from their technology investments while accelerating Ivanti’s growth and deepening customer and partner relationships. He is focused on delivering exceptional customer outcomes through a customer-first go-to-market strategy and helping organizations advance their Autonomous Endpoint Management journeys powered by the Ivanti Neurons platform.
Rob is a seasoned enterprise software executive with more than three decades of experience building, scaling, and leading high-performing global teams. Throughout his career, he has created customer-centric organizations known for strong execution, collaboration, and a relentless focus on business outcomes. He is passionate about developing leaders, cultivating high-performance cultures, and empowering teams to help customers succeed.
Prior to joining Ivanti, Rob held senior leadership positions at Omnissa, VMware, BEA Systems, Tivoli, and IBM, where he led global go-to-market organizations and helped drive growth, market expansion, and long-term customer success.
Known for his customer-focused leadership style, operational excellence, and commitment to talent development, Rob believes lasting business success begins with exceptional customer experiences and engaged, accountable teams. As a member of Ivanti’s executive leadership team, he is dedicated to helping customers simplify operations, strengthen security, and achieve meaningful business outcomes through autonomous, AI-powered solutions.