Executive Management

Biography PhotoNathaniel A. Davis
Executive Chairman

Nate Davis, Executive Chairman of K¹², is a seasoned leader of transformational telecommunications, media and software development companies, with a record of improving operations, launching innovative new products and strengthening relationships with legislative and regulatory authorities.

Mr. Davis, joined the K¹² Board of Directors in 2009, was named Chairman of the Board in June 2012, assumed the role of Executive Chairman in January 2013 and was named Chairman and CEO ... 

Biography PhotoStuart J. Udell
Chief Executive Officer

Stuart J. Udell joined K12 as the company’s Chief Executive Officer in February 2016. Mr. Udell brings significant strategic and operational experience to K12 in the education industry, amassed over a 27-year career.

Most recently, Mr. Udell served as Executive Chairman and prior as Chief Executive Officer of Catapult Learning, LLC, a privately held provider of instructional services, professional development, and operator of schools.

Prior to joining Catapult Learning... 

Biography PhotoJames Rhyu
Executive Vice President and Chief Financial Officer

James Rhyu, Executive Vice President and Chief Financial Officer, joined K¹² in June 2013. Mr. Rhyu has more than 20 years of financial management experience in various global industries.

Prior to joining K¹², Mr. Rhyu served as Chief Financial Officer and Chief Administrative Officer of Match.com, a subsidiary of publicly traded IAC/InterActiveCorp. In those roles, he was responsible for overseeing a broad range of functions, including human resources, legal, information t... 

Biography PhotoHoward  D.  Polsky
Executive Vice President, General Counsel and Secretary

Howard D. Polsky, Executive Vice President, General Counsel and Secretary, joined K¹² in 2004. Mr. Polsky has a unique combination of legal and public policy experience.

Prior to joining K¹², Mr. Polsky served as Vice President and General Counsel of Lockheed Martin Global Telecommunications, where he managed a wide range of legal matters including antitrust, telecommunications, employment, commercial contracts and transactions, litigation management, mergers and acquisition... 

Biography PhotoAllison Cleveland
Executive Vice President of School Management and Services

Allison Cleveland, Executive Vice President of School Management and Services, joined K¹² in October 2002.

During her time at K¹², Ms. Cleveland has been instrumental in building the managed public school line of business. Most recently, she served as the Senior Vice President of School Services, overseeing academic and operational services in the managed public schools. Prior to that, Ms. Cleveland was the Regional Vice President of the Southern Region, responsible for scho... 

Biography PhotoJoe Zarella
Executive Vice President of Business Operations

Joe Zarella, Executive Vice President of Business Operations, has more than 20 years of successful Customer Service, Sales & Marketing Operations, and Information Technology management experience.

As EVP of Business Operations, Mr. Zarella oversees K12’s Marketing, Information Technology, Enrollment Operations, Customer Care, and Business Operations organizations

Prior to joining K¹² in 2014, Mr. Zarella served as Chief Service Officer for SiriusXM Satell... 

Biography PhotoRob Banwarth
Senior Vice President and Chief Information Officer

Rob Banwarth, Senior Vice President and Chief Information Officer, has more than 20 years of experience leading large development and infrastructure organizations both domestically and internationally. Rob is responsible for K12's Information Technology strategy, deploying solutions that align with the overall company goals and objectives, and managing K12's infrastructure platforms to be highly scalable and available. 

Prior to joining K12, Mr. ... 

Biography PhotoBryan  W.  Flood
Senior Vice President, Public Affairs

Bryan W. Flood, Senior Vice President, Public Affairs, joined K¹² in 2002.  Mr. Flood previously served as a public affairs strategist, consultant, and spokesman for corporations, interest groups, and senatorial, gubernatorial, and presidential campaigns.

As Vice President at the MPGH Agency, a Virginia-based public affairs consulting firm, he advised clients ranging from high tech start-ups to Fortune 500 firms, including several leading education companies. Mr. Flood help... 

Biography PhotoSameer Kasargod
Senior Vice President and Chief Marketing Officer

Sameer Kasargod, Senior Vice President and Chief Marketing Officer, joined K12 in 2014. Mr. Kasargod is responsible for marketing strategy and execution, digital and offline media, creative and messaging, regional marketing, web content, research, and marketing analytics.

Upon joining K12 in 2014, Mr. Kasargod led Customer Acquisition and Analytics efforts where he successfully developed new capabilities and implemented marketing strategies to drive improved business performance.

Biography PhotoValerie  Maddy
Senior Vice President, Human Resources

Valerie Maddy, Senior Vice President, Human Resources at K12 Inc., brings more than 20 years of global leadership and innovation in the full range of human resources disciplines. At K¹², Ms. Maddy is leading the development and implementation of new systems, processes, policies and programs aimed at maximizing every employee's contribution to student academic success. As part of that effort, she is working with business teams to drive alignment, clarity and competitive advantage across ... 

Biography PhotoDoug McCollum
Senior Vice President, Products

Doug McCollum joined K12 as Senior Vice President, Products in May 2017. As the head of the K12’s Curriculum and Products organization, his focus is on delivering strong student outcomes by producing and implementing standards-aligned solutions that will significantly accelerate students' growth—especially in math and reading--and drive success on high-stakes assessments. Other key areas of focus include providing strong teacher, parent, and administrator support; increasing student engageme... 

Biography PhotoSean P. Ryan
Senior Vice President and General Manager

Sean P. Ryan, Senior Vice President and General Manager, Institutional Business, joined K12 in May 2017. Mr. Ryan is responsible for leading the sales, marketing, service and operations teams that empower school districts to implement successful online and blended learning programs.

Prior to joining K12, Mr. Ryan served as Senior Vice President of Sales, Service and Platform for McGraw-Hill Education’s School Education Group, serving the K-12 marketplace. Before joining McGraw-Hil... 

Biography PhotoPeter  Stewart
Senior Vice President of School Development

Peter Stewart, Senior Vice President of School Development, works with parents, teachers, community groups, school districts, school boards, departments of education, and policy makers across the United States and internationally to start new high-tech schools that use the K¹² academic program.

In the past seven years Mr. Stewart has helped develop large-scale, public e-learning programs in sixteen states that currently serve over 100,000 courses annually.

Prior ...