Our Leadership Team

Founded in 2001 and now part of the Auction Technology Group (“ATG”) umbrella, Proxibid provides online auction services to auctioneers across the United States and Canada. Learn more about our mission and history in the auction industry here.

Dan Pennington

Senior Vice President of Sales, North America

Dan has been with ATG since 2011 occupying a variety of commercial leadership roles. Previously heading up the Industrial & Commercial Division in Europe, he relocated to the US in 2018 as Managing Director of BidSpotter.com.

Having spent his entire career in technology and digital marketing, prior to ATG Dan worked in Cambridge, UK and Washington, D.C. for the American Association for the Advancement of Science (AAAS). There he specialized in aligning digital marketing campaigns with the strategic goals of multi-national scientific corporations throughout EMEA, APAC and North America.

Dan graduated from Leeds University Business School, UK, with a BA in Management, French and Spanish. He is passionate about eCommerce best practice and committed to helping auctioneers optimize the online aspect of their business.

Jacqueline Glassman

Senior Vice President of Operations, North America

Jacqueline has been with Proxibid since 2009 and joined the ATG executive team in February 2020.

Jacqueline led the acquisition of Wavebid in 2018 and was part of the leadership team responsible for the merger of Proxibid and ATG in 2020. As a member of Proxibid’s executive team since 2015, she has experience across all areas of the business leading strategic programs and customer-facing initiatives within operations, risk, payments, and product management teams.

Jacqueline was recognized in 2018 as one of forty dynamic entrepreneurs, executives, and business professionals under the age of 40 in the Greater Omaha community. She was also the 2012 recipient of Proxibid’s annual, peer-nominated Kathy Hartnett Award for Employee Excellence, becoming the first woman at Proxibid to be honored for exemplifying the company’s core values to make a lasting impression on the company.

Jacqueline is passionate about turning people’s natural talents and curiosities into meaningful career opportunities by leveraging technology.

Marika Clemow

Vice President of Corporate Development

Marika began her ATG career in 2010 and has held multiple roles in a variety of commercial and operational departments throughout her tenure. She joined the executive team in 2017 as the Global Director of Product and Operations, where she was responsible for product leadership and development cadence alongside the unification of operational processes globally.

Following ATG’s merger with Proxibid.com in 2020, Marika has lead the integration of the two companies. This includes welcoming Proxibid and Wavebid into ATG’s product portfolio, unifying customer facing teams to sell and support the full product suite, and standardizing global functions.

With more than a dozen years’ experience in the auction industry (she previously worked for Bonhams international fine art auctioneers in her native Sydney, Australia), Marika is passionate about making auctions more accessible to consumers and end users through technological innovation. She was a finalist for the Everywoman Innovation and Sustainability Award in 2015 and won the Antiques Young Guns Award in recognition of her contribution to the art and antiques industry in 2014.

Robert Zielinski

Global Chief Human Resources Officer

Robert joined ATG in May 2020 from Global PMI Partners, where he served as Senior Executive Advisor for Human Resources.

Before that, Robert gained extensive international experience as a C-suite executive managing teams and projects throughout the European continent as well as China, Thailand, Hong Kong, South Korea, Japan and Kuala Lumpur. Over the course of his career, Robert’s experience has spanned across a wide range of industries, including grocery, sporting goods manufacturing, and automotive.

Robert is passionate about aligning individual goals with company objectives to create an energized and successful team.