Clark Reiner boasts an impressive track record spanning nearly three decades in international business development and consultancy. His extensive experience encompasses various global markets, where he has been pivotal in spearheading projects and fostering growth.

Beginning his career abroad, Reiner spent 2016 to 2017 in Malta and Spain, establishing and managing a family office, demonstrating his adeptness in international finance and private wealth management. Before this Mediterranean tenure, he was deeply involved in the energy sector in London from 2011 to 2015. During this period, he worked for a privately held oil and gas firm, leading efforts to secure mid-stream operations and joint venture opportunities across diverse geographies, including Trinidad, Tobago, Iraq, Louisiana, and eastern Texas.

Among his notable accomplishments is his crucial role in developing the Basra Sports Complex in Iraq. As a co-founder of Newport Global, a boutique consulting firm, Reiner helped facilitate the conception, negotiation, and development of the Basra Sports City Complex. This $550 million initiative, one of the most significant projects undertaken by Iraq's government post-Saddam, featured a multi-venue, mixed-use complex that opened its doors in 2013.

In New York City, from 2002 to 2009, Reiner held the position of Vice President at Mahler & Emerson Inc., a Broker Dealer and Registered Investment Advisory firm. His responsibilities included leading client relations and co-managing operations and compliance. Simultaneously, he served as a consultant for Allied Investment House in Abu Dhabi, where he successfully raised $80 million in debt financing for a sprawling real estate development in Dubai and provided strategic advice on the partial sale of a private bank and technological consultations in Jordan.

Reiner's early professional endeavors included his role at New World Charter, where he focused on business development related to dry bulk commodities.