Leadership Team
PowerSchool is proud to have a leadership team that believes every student deserves the best opportunities in life. Our team boasts deep education experience as well as broad enterprise software knowledge to deliver PowerSchool’s strategic direction, innovation, operations, and service to our customers.
Antonio Pietri
Chief Executive Officer
Antonio Pietri is the CEO of PowerSchool, leading the company’s overall mission, strategy, and growth. Antonio has a wealth of experience leading large, global software companies and a core belief that education is one of the most powerful forces for positive change.
With 30+ years of success in delivering strong market, financial, and operational results in domestic and international markets, Antonio brings deep operational expertise across functions, a sharp focus on innovation, and a proven ability to scale product-led, customer-centric organizations.
Prior to PowerSchool, Antonio served as President and CEO of enterprise software company, Aspen Technology, where he developed the corporate strategy, target operating model, and plan to run one of the best-in-class and most profitable public companies in the U.S. Also serving on the AspenTech board of directors for over a decade, Antonio scaled operations globally, established a strong culture of innovation, collaboration, and execution, and grew shareholder value.
Antonio received his Bachelor of Science from the University of Tulsa (in Chemical Engineering) and his MBA from the University of Houston. Antonio resides in Dallas, Texas, with his wife and enjoys spending time with his family.
Brent Bowman
Chief Financial Officer
Brent Bowman is the chief financial officer at PowerSchool. He is responsible for the finance, accounting, financial operations, treasury, facilities and information technology functions. Brent brings more than 30 years of public and private company corporate and operational finance experience across the technology industry, including software (SaaS), semiconductors and hardware sectors. Brent has built high performing teams and has successfully led finance organizations at large scale and industry specific companies.
Prior to PowerSchool, Brent was at Veeva Systems (VEEV), where he served as CFO since 2020. While at Veeva, the business nearly doubled in revenue to ~ $2.7 billion and operating margin grew to ~ 40% with a market ca p of over $30 billion. Over his career, Brent has also held financial leadership positions at [24]7.ai, Intel, Altera, and Sun Microsystems.
Brent received his Bachelor of Arts degree in business economics from the University of California, Santa Barbara. Brent started his career with EY and obtained his CPA license in the state of California.
Brent is a California native and a sports and outdoor enthusiast. He and his wife, Julie, have two sons, who both live and work in the San Francisco Bay Area. They enjoy traveling, the ocean, the mountains and wine country.
Devendra Singh
Chief Technology Officer
As Chief Technology Officer for PowerSchool, Devendra is responsible for all Product Development and Cloud Operations within the company. He brings more than 20 years of experience in building enterprise-class software and cloud solutions for managing mission-critical business processes at Fortune 1,000 companies. Prior to joining PowerSchool, Devendra was Vice President of Product Development at Oracle where he led global development teams to build best-in-class Product Lifecycle Management solutions for customers in High Tech, Industrial Manufacturing, and Life Science industries. Before Oracle, he held senior positions in Product Development and Product Management at Agile Software and participated in major business transformation initiatives as a Management Consultant with A.T. Kearney.
Devendra earned his Bachelor of Engineering degree from Delhi College of Engineering and an MBA from University of Michigan Ross School of Business.
In his spare time, Devendra is a road biking and hiking enthusiast. He has hiked rim to rim to rim in the Grand Canyon, climbed Mount Kilimanjaro in Africa, summited Mount Whitney, reached several 14,000 feet peaks in the Sierra Nevada, and hiked to 21,000 feet on Aconcagua in Argentina. His next challenge is always just around the corner.
Shivani Stumpf
Chief Product and Innovation Officer
Shivani Stumpf is the Chief Product and Innovation Officer at PowerSchool. She is responsible for developing PowerSchool’s strategic product vision and managing the company’s overarching product roadmap and product innovation. Stumpf is an innovative leader with over two decades of experience and a strong track record in guiding product, technology and business strategy for SaaS companies and leveraging data and AI to drive transformative growth.
Since joining PowerSchool in October 2020, Shivani launched the first education data-as-a-service platform, Connected Intelligence, to forge equitable pathways and economic mobility for all individuals. Prior to her current role, she was Senior Vice President of Analytics at PowerSchool, following the acquisition of Hoonuit, a K12 Edtech Analytics business where she led product and technology strategy as Chief Technology Officer. Prior to joining Hoonuit, Shivani held technology and product management leadership positions at SPS Commerce, a $400M publicly traded cloud-based supply chain management SaaS company, and at Sport Ngin (now SportsEngine), a cloud-based sports management solution for sports-event organizers, which was later acquired by NBC Sports.
Shivani is a Wharton School of the University of Pennsylvania Executive Finance graduate. She holds a Master of Sciences degree in Computer Science from St. Cloud State University in Minnesota with a 100% scholarship and a Bachelor of Science and Engineering degree from the Manipal Institute of Technology in India.
Manish Chawla
Chief Customer Officer
Manish Chawla is the Chief Customer Officer at PowerSchool, overseeing PowerSchool’s Professional Services, Customer Success Management and Customer Support teams. Manish is responsible for growing the the organization’s capabilities and the company’s customer-first culture, focusing on customer adoption and value sustainment for PowerSchool’s market-leading solutions. Manish brings over two decades of leadership experience, including improving customer retention rates and increasing NPS above industry benchmarks, as well as driving predictable growth and efficiency.
Previously, Manish was the Chief Customer Officer at AspenTech, where he drove growth by establishing lasting partnerships with strategic customers alongside scalable & effective mid-market GTM models, transformed professional services to deliver customer and financial excellence, and led the development of a customer success model that aligned all functions around the customer. Manish also served as the Chief Revenue Officer at AspenTech. Prior to that, he was the Global General Manager, Industrial Sector at IBM, among other leadership roles at the company.
Michael Bisignano
Chief Legal Officer
Michael Bisignano joined PowerSchool as Chief Legal Officer in August 2021. He is responsible for all legal, compliance, governance, and risk management functions. Michael brings more than 20 years of experience assisting publicly traded, technology-driven companies as they undergo strategic transformations. His background includes serving as a strategic advisor to boards and executive management on critical matters, including strategic financial and commercial transactions, complex litigation portfolios, and shareholder engagement issues.
Before coming to PowerSchool, Michael served as the Senior Vice President, General Counsel, and Secretary of Terminix Global Holdings, Inc. (f/k/a ServiceMaster Global Holdings, Inc.), where he supervised the legal process associated with the $1.5 billion divestiture of the ServiceMaster business unit. He also served as the Executive Vice President, General Counsel, and Secretary of CA Technologies, a $4 billion revenue enterprise software provider that was sold to Broadcom in 2018. Prior to that, he was the Senior Vice President, General Counsel, and Secretary of Blackboard, Inc., an education technology provider that he helped take private in a leveraged buy-out transaction in 2011.
Michael began his legal career at Milbank, Tweed, Hadley & McCloy, performing international project finance transactions. Previously, Michael was an investment banker in the Structured Finance Group at Morgan Stanley.
Michael received his J.D. with honors from Harvard Law School, his B.S. in Economics/Finance from the Wharton School of Business, and his B.A. in International Relations from the University of Pennsylvania. He is licensed to practice law in New York, New Jersey, Washington D.C., and Tennessee. Michael has served as a member of the Board of Trustees at St. John’s Community Services, providing innovative, community-based services to people with intellectual, developmental, and other disabilities to search for the most effective ways to include people into the living fabric of the community.
Michael has three high-school-aged children whose extracurricular activities occupy the vast majority of his time. He is also an instrument-rated pilot and an avid athlete.
Perry Hardt
Chief Marketing Officer
As Chief Marketing Officer, Perry Hardt oversees the global marketing organization, responsible for for articulating PowerSchool’s brand story, cultivating customer communities and attracting customer demand.
With over two decades of experience leading business-to-business marketing teams, Perry brings a deep understanding of the expectations of the modern buyer across all engagement touchpoints. Perry is passionate about making it easy for PowerSchool’s many stakeholders to fully understand the value of our solutions and community.
Prior to joining PowerSchool, Perry spent 7 years at Deltek as Senior Vice President and CMO, where he scaled modern marketing capabilities to drive impactful brand and demand generation initiatives that helped the company double revenue during his tenure.
Perry has also held leadership roles at Oracle where he spent 14 years leading North America Marketing efforts to expand market offerings across all product lines and enhanced brand visibility.
Early in his career, Perry worked in the K-12 space as Vice President of the School Partnerships Division at Summit Educational Group, a leading provider of personalized educational support services.
Perry is from Israel where he has family and has proudly served in the Israel Defense Forces in the Marine Infantry Brigade.
Perry lives in the Washington DC area with his four school-aged children, who are daily users of PowerSchool. Outside of work, Perry enjoys spending time with his family, which includes visiting the beach, traveling, and supporting their shared passion for ice hockey.
Michèle Haddad
Chief People Officer
As Chief People Officer, Michèle is responsible for leading and building the Talent organization, with emphasis on employee experience and putting our people first while attracting and aligning diverse talent to drive business results.
Michèle brings with her over 20+ years of experience in delivering forward-thinking, business-focused solutions that produce strong, sustainable results. She thrives on leading large-scale business transformation, strategic planning, and process improvement for global initiatives. She has extensive experience in the areas of compensation planning, acquisitions, HRIS, financial forecasting, and global expansion.
Before coming to PowerSchool, Michèle was the Chief People Officer at TIBCO Corporation, where she transitioned the HR organization toward a scalable model to support business objectives; redesigned global compensation plans; and led the acquisitions of multiple companies, ensuring a streamlined experience for employees. Prior to her promotion to Chief People Officer, Michèle was a Senior Director of FP&A at TIBCO, where she led all management reporting, annual planning, budgeting, and quarterly financial forecasts for worldwide teams.
Michèle is originally from Sacramento and earned her Bachelor of Science in Finance, and her MBA, from Santa Clara University. Her free time is mostly spent with her two children, Grant (14) and Emilie (12), and her Cavapoo, Ace. She and her husband, Scott, love traveling and introducing their children to new cultures whenever possible. She is a certified diver and has a strong love of the ocean.
Darron Flagg
Chief Compliance Officer & Chief Privacy Officer
Darron Flagg is Chief Compliance Officer and Chief Privacy Officer at PowerSchool. In his current role, he leads PowerSchool’s global regulatory compliance and privacy program, advises the executive staff, and supports operational initiatives. Previously he served as PowerSchool General Counsel. He brings more than 20 years of legal and business experience with global technology transactions.
Prior to joining PowerSchool in 2018, Darron spent 13 years at Intel Corporation serving as Associate Director, Legal negotiating and advising executives on manufacturing, R&D, procurement, sales, marketing, and licensing transactions for multiple divisions within the company. As lead counsel for Intel’s embedded sales division, he supported over $10 billion in revenue annually. A long-time legal counsel and business partner of Intel’s nonvolatile memory division, Darron advised on the multi-billion dollar R&D and manufacturing joint venture between Intel and Micron Technology. A member of Intel’s prestigious leadership council (IBLC), Darron directed compliance efforts for the division and even served as the Intel site pro-bono chair.
Before Intel, he worked at a major law firm in Germany (now known as Clifford Chance), supporting cross-border M&A transactions, and served as an adjunct law professor at the Goethe University Frankfurt. He also spent time as an in-house entertainment attorney for two global companies: Summit Entertainment (now a part of Lions Gate Entertainment Corp) and Helkon Media AG.
A member of the California State Bar, Darron holds a bachelor’s degree in music and a minor in German studies from California State University, Northridge, an MBA (Finance) from Thunderbird School of Global management, and a JD from UCLA School of Law. In addition, he has earned executive education certifications from Harvard Law School, Willamette University, and Stanford Graduate School of Business.
When not focusing on his managerial and legal responsibilities, Darron is an avid learner and accomplished classical musician
Grayson Williams
Chief Information, Technology & Security Officer
Grayson Williams joined PowerSchool in July 2022 as Chief Information Officer. He is responsible for the IT, Data Services and Facilities organizations, standardizing our global IT footprint, ensuring regulatory compliance, and providing critical applications and end-user services to the company.
Grayson has relocated from the East Coast to be in our Folsom headquarters. He brings over 24+ years of experience directing and transforming effective IT operations enable business growth and adaptability. He has worked at several impressive companies, including two startups, Polo Ralph Lauren, Hewlett Packard, Qualys, Red Hat, and PwC, among others.
Grayson received his Political Science and Government bachelor’s degree from Lipscomb University. Since then, he has taught at Hunter College and Queen’s College while pursuing a PhD at CUNY Graduate School. He is a husband and father of 3 children in addition to 3 dogs. Grayson advocates giving back, having served on the boards of several non-profits, including Senior Housing Solutions and Cedar Springs Waldorf School. In his spare time, Grayson is an avid scuba diver and cyclist.















