Which regional director is known for initiating the undergraduate round up funding resource?

The regional director known for initiating the undergraduate round-up funding resource is Barbara Denison Thunder. This initiative was designed to provide additional financial support for undergraduate chapters and their projects, enhancing the ability of members to engage in educational and leadership opportunities.

Barbara Denison Thunder's vision in creating this funding resource aimed to empower undergraduate members by alleviating some of the financial burdens they face, thereby encouraging their participation in the sorority's programs and activities. This strategic move also reflects her commitment to supporting the growth and development of younger members within the organization, fostering a culture of mentorship and sustainability.

The other individuals listed may have their own notable contributions to the organization, yet it is Thunder who is specifically recognized for the undergraduate round-up funding initiative, making her the correct choice for this question.