Dream Homes for All

As Overstock.com’s Chief Algorithms Officer, Dr. Kamelia Aryafar leads the company’s machine learning, data science, data engineering and analytics functions across the marketing, customer, sourcing, and website verticals. Since joining Overstock.com in 2017, Dr. Aryafar’s teams have integrated state-of-the-art machine learning and artificial intelligence algorithms across various product teams, including personalization, pricing, ranking, search, recommender systems, marketing, CRM, advertising technologies, email, sourcing and supply chain.

Aryafar transitioned from academia to the industry as a senior machine learning scientist and lead at Etsy in 2013, where she worked with different product teams across several platforms to integrate machine learning and artificial intelligence algorithms throughout the organization. This work allowed her to apply the latest technology in the realm of e-commerce.

Dr. Aryafar holds a Ph.D. and M.Sc. in computer science and machine learning from Drexel University and has published several papers in scientific journals. As an active member of the machine learning community, she frequently speaks at academic and industry conferences focusing on advancing the field of artificial intelligence.

Sumit Goyal is the Chief Technology Officer at Overstock.com. In this role, he leads the technology functions across the company, while integrating with the customer, marketing, website & mobile experience, and sourcing & operations teams.

Since starting at Overstock in 2011 as a senior software developer, Goyal has held many positions in technology and software development. In these roles, he gained extensive experience in strategic team leadership, hiring top talent, application development, software platforms, APIs, and system architecture.

Before joining Overstock.com, Goyal held software engineering and programmer positions at eHarmony.com, eBay, Goldman Sachs, and IBM. He has more than thirteen years of demonstrated success in developing and executing roadmaps for creating innovating mobile and web E-commerce solutions.

Goyal received his bachelor’s degree in computer science from the National Institute of Technology Kurukshetra.

Greg Iverson joined Overstock.com as Chief Financial Officer in April 2018. In this role, he oversees all financial-related matters, including accounting, tax, treasury, financial reporting, FP&A, and internal audit, and legal.

Prior to joining Overstock.com, Iverson was CFO of Apollo Education Group, Inc. (AEG), a global private-sector education company. He was instrumental in the acquisition of AEG by Apollo Global Management, LLC and The Vistria Group, LLC in February 2017, in which the company was also taken private in a $1.1B transaction. Following the acquisition, he was responsible for AEG's transition from a public to private company, including achieving post-acquisition cost synergies and rationalizing AEG's business portfolio.

Iverson brings more than 20 years of financial, operational, and merger, acquisition and divestiture experience. Iverson held several roles at AEG prior to being named CFO, and was also formerly Director, Financial Reporting at US Airways Group, Inc. (subsequently acquired by American Airlines), and began his career in the audit and advisory practices of Arthur Andersen, LLP and Deloitte & Touche, LLP, in Phoenix, Arizona.

Greg graduated Summa Cum Laude with a B.S. in business from the University of Idaho and is a Certified Public Accountant.

Craig Kelly is Overstock.com’s Chief Digital Officer, heading up the company’s engineers and product managers in the development of all new website and mobile features. Since joining Overstock in 2017, Kelly’s teams have launched machine learning platforms in the cloud to enable real-time marketing use-cases, ramped up true content personalization, and built a world-class marketing technology architecture that fuels the marketing department’s product management, engineering, and data science.

Craig brings an extensive background in product, marketing, and operations to Overstock. He began his career at FreeCause (acquired by Rakuten), where he led operations management and went on to become vice president of corporate planning, before leaving to found AppCenter, Inc., a marketing automation software company. Kelly continued his career as General Manager at OrionCKB (acquired by EliteSEM), and at Nanigans, where he led the company’s efforts in realtime bidding and cross-channel retargeting.

Prior to his career in technology, Kelly received his bachelor’s degree in economics from Tufts University, before participating in Teach for America.

As Overstock.com’s Chief Marketing Officer, J.P. Knab is responsible for the company's digital and traditional marketing strategies and implementation.

Knab started at Overstock in 2005 in analytics and quickly proceeded to be named the director of analytics, where he built out the pricing, forecasting, and merchandising analytics groups, resulting in his promotion to director of merchandising. After leading his categories to over 100% revenue growth, he joined the marketing team as vice president in 2012. In this role, he led the company's search, email, affiliate, direct mail, content, online promotional, site offer, and page optimization marketing strategies.

During this time, Overstock embarked on one of the most consistent revenue and net income growth periods in its history and created 17 profitable quarters of growth in the last six years. In 2016, Knab was named senior vice president of the marketing department before being appointed Chief Marketing Officer in 2018.

Prior to joining Overstock.com, Knab worked at contacts.com where he led their CRM efforts. He has 17 years of experience in e-commerce and he received both his undergraduate degree and MBA from Brigham Young University.

Carter Lee, Overstock's Chief Administration Officer, is responsible for the IT administration of corporate systems, the security of Overstock's various systems and websites, and its human resource and facilities functions, including the corporate headquarters, Peace Coliseum.

Lee began his career with Overstock in 2001 as a systems administrator in the IT department and was promoted to director of internal systems before being appointed vice president of technology. During his time in these positions, Lee played a key role in implementing and maintaining solutions for the corporate offices, including its customer care and fulfillment centers. He was named Overstock’s senior vice president of Technology in 2015 and later as senior vice president of Technology & People Care in 2016. He was appointed its Chief Administration Officer in 2018.

Prior to joining Overstock.com, Lee was a systems engineer for Hospice of the Valley. He was also a founder and vice president of Motherboard Discount Center, a computer hardware supplier in Phoenix, Arizona.

Seth Moore currently serves as Overstock.com's Chief Strategy Officer. In this role, he is responsible for overseeing emerging businesses and exploring strategic directions for the company while also directing the efforts of its business technology incubator, OLabs.

Moore first joined Overstock.com in 2006 as a member of the web analytics team. After a few years in that department, he was named director of customer relationship management, and then held a director role on the analytics architecture team before transitioning to the Marketing department. Moore was made director of Overstock’s email, SEO, and marketing analytics groups. After a stint as senior director of website marketing and web analytics, Moore was appointed vice president of website marketing. Capitalizing on his strong analytics background, he was later named vice president of analytics and business intelligence. He was named vice president of OLabs in 2015, and was appointed senior vice president of strategy and Chief of Staff to the CEO in 2017 before assuming his current position in 2018.

Moore received his undergraduate degree from Brigham Young University, and previously served as committee staff for the US Senate Committee on the Judiciary.

Allison Abraham was appointed chair of Overstock's board of directors in 2017, and has served as a director on the board since 2002. She is a member of the compensation committee and nominating & corporate governance committee, and is the chairwoman of the audit committee.

Abraham is currently the president and founder of The Newton School, a private, non-profit school serving grades K-8, located in Sterling, Virginia. Prior to this role, Abraham managed her own consulting business, served as a director of privately held Precision Imaging, Inc., and was president and director of LifeMinders, Inc., an online direct marketing company, until its acquisition by Cross Media Marketing Corp. in October 2001. Before joining LifeMinders, she served as chief operating officer of iVillage Inc., an online media company, and as president, COO and director of Shoppers Express, an online grocery service.

Abraham holds a MBA degree from the Darden School at the University of Virginia and a Bachelor of Arts in Economics from Tufts University.

Mr. Barclay F. Corbus has served as a Director of Overstock since March 2007. He is a member of the Audit Committee and Nominating & Corporate Governance Committee, and is the Chairman of the Compensation Committee. Mr. Corbus has served as Senior Vice President of Clean Energy Fuels Corp., a provider of vehicular natural gas, with responsibility for strategic development, since September 2007. He served as Co-CEO of WR Hambrecht + Co., an investment banking firm, from July 2004 to September 2007, and prior to that date served in other executive positions with WR Hambrecht + Co. Prior to joining WR Hambrecht + Co in March 1999, Mr. Corbus was in the investment banking group at Donaldson, Lufkin and Jenrette. Mr. Corbus graduated from Dartmouth College with a Bachelor of Arts Degree in Government and has a Master's Degree of Business Administration in Finance from Columbia Business School.

Dr. Kirthi Kalyanam was named to the Overstock.com Board of Directors in February of 2015. Currently the J.C. Penney research professor and director of the Retail Management Institute at the Leavey School of Business at Santa Clara University, Dr. Kalyanam has previously served as faculty director of the Executive MBA program, a visiting professor at the Graduate School of Business at Stanford University, guest faculty in the Stanford Executive MMP program, and senior vice president and chief marketing officer of SpinCircuit Inc. He received his Ph.D. in business administration from the Krannert School of Management, Purdue University. Dr. Kalyanam's areas of expertise include Internet Marketing, Customer Centric Retailing, Multi-Channel Marketing and Database Marketing.

Joseph J. Tabacco, Jr. has served as a Director of Overstock since June 2007. He is a member of the Audit Committee and Compensation Committee, and is the Chairman of the Nominating & Corporate Governance Committee. Tabacco is the founding partner of the San Francisco office of Berman DeValerio, a law firm that prosecutes class actions nationwide on behalf of institutions and individuals, mostly victims of antitrust and securities law violations.

A 1974 honors graduate of the George Washington University School of Law, Tabacco has actively litigated antitrust, securities fraud, commercial high tech, and intellectual property matters since the 1970s. Since entering private practice in the 1980s, after a six year stint as a trial attorney with the U.S. Department of Justice, Antitrust Division, Tabacco has served as trial or lead counsel in numerous antitrust and securities cases nationally. Tabacco and his firm represent numerous public pension fund and private institutional clients nationally and have successfully prosecuted cases resulting in the recovery of billions of dollars for defrauded investors and businesses.