Team

Meet the Team

We are a team of builders, entrepreneurs, and operators driven to serve people in business.

Founder and CEO

Peter Rex

Founder
Peter Rex

Investment Team

Nikos Iatropoulos

Managing Partner

Prior: Partner/COO at Kairos Ventures; Co-founded multiple startups; Columbia BS, CS; MIT MBA.

Nikos Iatropoulos

Nikos has 25+ years of experience in venture capital, entrepreneurship, and investment banking. During the six years prior to joining REX, he was the COO & Regional Partner of Kairos Ventures, where he worked closely with the Founding Partner in every aspect of the fund, including fundraising, due diligence, investor relations, transaction execution, and portfolio management. Prior to Kairos, Nikos had a 16-year career as a software entrepreneur and served as an advisor to early-stage companies. He holds a BS in Computer Science from Columbia University and an MBA from MIT’s Sloan School of Management.

Betsy Landoll

Partner

Prior: Biometrics/Product at UA, M&A Consultant & CPA at PwC; USC, Accounting; Univ. of Chicago MBA.

Betsy Landoll

Betsy has a background in finance, strategy, and product user experience. Before joining REX, she built United Airlines’ biometric and facial recognition program liaising with government agencies and key technology partners. Prior to that, she performed financial due diligence on over 20+ deals for both corporate and private equity acquisitions and divestitures as part of PricewaterhouseCoopers’ Deals Advisory group. She has won multiple awards as a real estate broker in Chicago. She holds a BS in Accounting from the University of Southern California and an MBA from the University of Chicago Booth School of Business.

Nikhail Singh

Partner

Prior: Corporate Strategy at The Wonderful Company; Operations at NASA; Northwestern MBA.

Nikhail Singh

Nikhail has 10+ years of experience in strategy and operations.  While at Rex, he has launched and led operations at technology startups. Prior to Rex, he worked in corporate strategy at The Wonderful Company and in management consulting at Deloitte where he led projects ranging from growth strategy to executing complex M&A transactions. Nikhail started his career at NASA in cargo operations for the International Space Station. He received a BS in Electrical Engineering from Georgia Tech and an MBA from Northwestern’s Kellogg School of Management.

Mike Haigh

Partner

Prior: VP at VC & PE firm; Investments at UChicago Endowment; Notre Dame BA; Univ. of Chicago MBA.

Mike Haigh

Mike has a background in finance, operations, and investing. Before REX, he was Vice President at Wexford Capital Partners where he managed due diligence, financial analysis, investment operations, investor relations, and originations. Prior to that, he spent five years at the University of Chicago’s Endowment, where he collaborated with the investment teams to execute investment decisions, managed technology initiatives, and reported on valuations and liquidity. Mike holds a BA in Economics from Notre Dame and an MBA from the University of Chicago Booth School of Business.

Technical Leadership

Sunthar Premakumar

SVP of Product

Prior: Head of Product & Engineering, Piazza (Sequoia backed); Stanford BS, ME; UPenn MS, Robotics.

Sunthar Premakumar

Sunthar has 15+ years of experience in product, engineering, design, and entrepreneurship. During the 6 years prior to joining Rex, he was the Head of Product and Engineering of Piazza Technologies - an EdTech company backed by Sequoia, Bessemer, and Khosla Ventures. At Rex, helped co-found all of the technology companies and oversees the product development. He received a BS in Mechanical Engineering from Stanford University and an MS in Robotics from University of Pennsylvania.

Casey Dement

VP of Architecture

Prior: Head of Architecture at Calendly, Sharecare, and The Weather Channel.

Casey Dement

Casey has a background in software development and enterprise architecture at both early and late stage technology companies. While at Rex, he has designed the architecture for all the subsidiary companies. Previously, he was the Head of Architecture at Calendly, Sharecare, and Weather.com where he improved the efficiency of their technical systems as well as set them up for scale.

Philip Ollapally

VP of Machine Learning

Prior: Led development of machine learning and computer vision initiatives at Fortune 500 companies as a VP at Genpact.

Philip Ollapally

Philip has a background in machine learning and data management. Prior to Rex, he led the Data & Analytics advisory practice at a large consulting firm that served Fortune 100 companies. He is a specialist across the entire data lifecycle from data foundations, architecture, governance to analytics and machine learning. Some of the companies he has advised over the past 15 years include: McKinsey & Company, Procter & Gamble, The Kraft Heinz Company, Coca Cola, and Reckitt Benckiser. He leads teams of data scientists, data engineers, and machine learning engineers at Rex to enable us scale our products across our companies. He attended Washington University in Saint Louis where he majored in Economics and Business.

Jack Rachmani

VP of Engineering

Prior: Head of Engineering at Kinetic Brands and TrueCar.com, Sr. Developer at Fox Digital Media, Disney, and Blitz, 10+ yrs in RE investing.

Jack Rachmani

Jack has 20+ years of experience in the software industry and 10+ years as a real estate investor. Jack worked with early day startups like Kinetic Brands and TrueCar.com (joined pre IPO), and well established corporations like TBWA Chiat Day, Disney, and Fox. With a long career in software development, Jack successfully grew and scaled business by efficiently leading multiple engineering teams.

Ben Tautfest

VP of Design

Prior: Led design teams to deliver projects for Fortune 100 companies as a Design Director at Fjord.

Ben Tautfest

Ben is a design leader with over two decades of experience. He has applied his expertise in Human-Centered Design across multiple industries including education, finance, retail, aerospace and defense, public health and services, entertainment, hospitality, telecom, consumer goods, and automotive. His projects range from delivering strategy and design for large innovation service ecosystems, to delivering award-winning websites and native apps for globally recognized brands. Prior to Rex, Ben was a Design Director at Fjord where he was responsible for leading cross-functional design teams to improve the digital experiences of F500 companies by helping them reframe business challenges with design-led points of view. Ben has a BFA in Graphic Design from the Art Institute of Dallas.

Matthew McCloskey

VP of Design

Prior: Sr. Web Developer at Fjord, Founder of 3 design companies, Belmont BM.

Matthew McCloskey

Matt has been a developer, designer, and entrepreneur for over 20 years. After founding and running a handful of startups he joined Chaotic Moon Studios, Fjord, and then Accenture Interactive where he led cross-functional design and development teams to create solutions spanning all aspects of a product's lifecycle from ideation to delivery. Matt received his Bachelor of Music in classical guitar performance from Belmont University.

Operational Leadership

Christian McGuigan

SVP of Media and Marketing

Prior: VP at Omnicom; VP at Participant Media; Chapman JD.

Christian McGuigan

Christian has 15+ years in media and marketing. Prior to coming to Rex, he was VP of Content Strategy at Omnicom, overseeing media activations for Fortune 500 brands around the world. Prior to Omnicom, Christian was Vice President of Integrated Content Strategy at Academy Award winning studio - Participant Media. Christian also led Participant Media's in-house agency, delivering marketing and social innovation consulting to corporations and foundations. Christian earned his BA in English Literature from the University of Dallas and a JD from Chapman University School of Law. He is a member of the Pacific Council on International Policy and is an Adjunct Professor at Pepperdine University’s School of Public Policy.

Don Neville

SVP of Finance

Prior: CEO of TerraHydroChem, Inc; GM at Assurant Field Asset; CFO at Reddwerks Corp.

Don Neville

Don is a financial executive with a strong operating background and over 30 years of broad management and military experience. He has direct experience in private and SEC financial reporting, internal controls/SOX, strategic planning, capital markets activities, mergers and acquisitions, public/private offerings, HR, IT and insurance/risk management. Don started his career as a CPA with Deloitte in NYC, served as a principal at a private equity firm, and has spent the last 20 years as CFO of technology companies. He received his BS in Accounting from Fordham University and served 12 years as an officer in the US Army reserves.

Mark Duval

SVP Human Resources

Prior: President at Terex; Amcham China; GM at Motorola; Univ. of Wisconsin MBA.

Mark Duval

Mark has decades of experience in organizational strategy, shared services, and corporate development. After joining Motorola Semiconductors in Austin, he moved to China in 1995, spending 16 years in executive roles leading Motorola China’s shared service operations including: corporate strategy, government relations, public affairs and crisis management. Post Motorola he was the President of the American Chamber of Commerce in China and then the President of Terex Greater China. Mark has a BSC in Construction Management and an MBA from UWM.

Mike Walsh

Director of Talent

Prior: Senior Manager Engineering Recruiting at Expedia; Early at HomeAway and VMware.

Mike Walsh

Mike has 20 years of recruiting experience working at agencies, startups, and large enterprise companies. Much of that experience has been helping companies scale from an early stage to thousands of hires per year. Before joining Rex, he had worked with Expedia leading North American technical recruiting, HomeAway, VMware and Tenfold (acquired by LivePerson). He has a bachelor's degree from Boston University.

Franklin Lobb

Director of Technology Infrastructure

Prior: 9+ years at Amazon. Senior Solutions Architect at AWS, Alexa, and Amazon Retail.

Franklin Lobb

Franklin has over 25 years of IT, architecture, development, payments, security and compliance experience. His background spans multiple industries including process manufacturing, litigation support, foster care, e-commerce, cloud computing, voice and real estate. He has worked with firms including Amazon, AWS, Alexa, Target, GSK, Pfizer, Washington Post and Dupont. Franklin is AWS certified and was a certified AWS subject matter expert at Amazon. He has a BS in Math Sciences and a BSChE (Chemical Engineering) from the University of Washington as well as a Technology Management MBA from UW’s Foster School of Business.

Startup Leadership

Michael Staples

General Manager

Prior: Growth and operations leader at Amazon and Uber; West Point BS, Systems Engineering; Blackhawk pilot.

Michael Staples

Mike has a background in operations and customer success. Prior to Rex, he was VP of Customer Success and Marketplace Operations at Bond, a Series A funded financial services technology company, where he designed and executed their go-to-market strategy nationwide. Prior to Bond, he served as an Operations Manager at both Amazon and Uber where he launched and managed a new Amazon distribution center and 11 metro areas along the east coast for Uber. Mike holds a BS in Systems Engineering from West Point and an MBA from Duke’s Fuqua School of Business.

Justin Yoon

General Manager

Prior: Operations leader at Tesla and Amazon; West Point BS, Economics; MIT MS, Supply Chain; Blackhawk pilot.

Justin Yoon

Justin has a background in supply chain operations and inventory management. He most recently worked at Tesla where he managed global battery supply and demand for the company, as well as sourced batteries and capital equipment for all factories. Prior to Tesla, he trained operations managers for Amazon to launch and operate Amazon Fresh facilities across the Southeast. He holds a Master’s degree in Supply Chain Management from MIT and a BS in Economics from West Point.

Denver Lobo

General Manager

Prior: VP at Credit Suisse for 8 years; Lead at Morgan Stanley; CFA Level 1, BA, University of Notre Dame.

Denver Lobo

Denver has a background in investment banking and payment processing. Prior to Rex, he was Vice President of Emerging Market Debt Financing Solutions at Credit Suisse. His focus was on providing debt financing solutions to companies in Latin America, Eastern Europe, Middle East, and Asia. He also spent a year in Brazil, developing new sales channels with a focus on local debt. Prior to joining Credit Suisse, Denver worked at MasterCard where he did customer cost and profitability analysis as well as company budgeting and forecasting. Denver holds a BA in Business Administration and Economics from the University of Notre Dame.

Tim Enger

General Manager

Prior: Former Chief of Staff at Microsoft Azure IoT; Founded Microsoft Startup Accelerator as Head of Biz. Dev.

Tim Enger

Tim has 12 years of experience in early stage business development, both as an entrepreneur and intrapreneur. Before joining Rex, Tim spent 7 years at Microsoft building the Microsoft Ventures Accelerator and growing the Azure IoT team from 150 to 600 employees. Prior to Microsoft, he helped build and grow several consumer-tech ventures in Brazil. One startup, FamilyShare.com, reached $22.5 million page views within 18 months of launch and was acquired shortly thereafter. Tim holds a BS in Information Systems from BYU.

Prakash Mohandas

General Manager

Prior: Senior product management leader at Cox Automotive, Charles Schwab and Dell; UT Austin MS, EE.

Prakash Mohandas

Prakash has a background in product and business development. Prior to Rex, he has 15 years of experience developing and launching new products while working at large technology companies, such as AMD, Dell, Charles Schwab, and Cox Automotive. Most recently at Cox Automotive, he was responsible for managing three products that generated $400 million in annual revenue. He holds an MS in Electrical Engineering from the University of Texas at Austin.

Jose Ortega

General Manager

Prior: Founder of Permian Mining; First GM of Revel; COO of Midland Basin Partners; BA, Texas Tech University.

Jose Ortega

Jose has a background in operations and managing large contractor workforces. Before joining Rex, Jose worked for Revel, a moped ride sharing company, where he launched the Austin market and ran the operations as General Manager. Prior to Revel, he was an operational leader for an energy infrastructure business where he built business plans and led execution of high priority infrastructure projects. He holds a BS in Civil and Environmental Engineering from Texas Tech University.

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