(CNN) – Americans Elect, a non-partisan group tasked with fielding a third party presidential contender in November's general election, announced early Tuesday their supporters had failed to coalesce around a group of candidates by the May 15 deadline.
"Through the efforts of thousands of staffers, volunteers, and leadership, Americans Elect has achieved every stated operational goal," the group's CEO Kahlil Byrd wrote in a statement. "Despite these efforts, as of today, no candidate has reached the national support threshold required to enter the 'Americans Elect Online Convention' this June."
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Founded in April 2010, Americans Elect had qualified for ballot access in 27 states, and raised more than $20 million over two years. Prominent financial backers include Peter Ackerman, a wealthy financial executive based in New York.
The group came under fire for not disclosing its donors, as well as for its complicated process of nominating and supporting a candidate, which involves an extensive online verification system.
Currently the group's top declared candidate is Buddy Roemer, the former governor of Louisiana who previously this cycle ran for the Republican presidential nomination.
Other candidates at the top of the list include Rocky Anderson, the former mayor of Salt Lake City, and Michealene Risley, a writer and human rights activist.
In Tuesday's release, Byrd said the group's complex set of rules for nominating a candidate prevented any single person from reaching the threshold for continuing with the process.
"Under the rules that AE delegates ratified, the primary process would end today" Byrd wrote. "There is, however, an almost universal desire among delegates, leadership and millions of Americans who have supported AE to see a credible candidate emerge from this process."
Byrd said the group's next step would be to "conferred with its community," and would announce the outcome of their conversations on Thursday.