Sigma announces 2025-2027 international leadership

Election results from Sigma’s 48th Biennial Convention

INDIANAPOLIS — Sigma elected the organization’s 2025-2027 international leadership at the 48th Biennial Convention House of Delegates (10-11 November 2025). Convention was held in Indianapolis, IN, USA.

BOARD OF DIRECTORS

President
Liz Westcott, DCM, MSc, DipMan, RGN

President-elect
Karen Gorton, PhD, RN, FNP, MS 

Vice President

Elizabeth Rosser, DPhil, MN, Dip N Ed, Dip RM, RN, RNT, RM, PFHEA 

Secretary
Janice Hawkins, PhD, RN, CNS, FAAN 

Treasurer (returning)

Kathleen Bradley, DNP, RN, NEA-BC

Directors (newly elected)

Benita Chatmon, PhD, MSN, RN, CNE 

Elizabeth Halcomb, PhD, BN(Hons), RN, GradCertICNurs, GradCertHE, FACN

Directors (returning)

Diana-Lyn Baptiste, DNP, RN, CNE, FPCNA, FAAN

Thomas Kearns, EdD, FAAN, MA, FFNMRCSI, Med, BNS, RNT, RGN, RPN

Jennifer Saylor, PhD, APRN, ACNS-BC

Regional Chapters Coordinating Committee Chair (re-elected)

Jennifer Graber, EdD, APRN, PMHCNS-BC, PMHNP

REGIONAL COORDINATORS

Africa Region: Sylvia Oger Ofosu Dwamena, PhD, MN, RN, BSC, PGDE, FGCNM 

Asia Region: Rick Kwan, PhD, RN, FHKAN, FAAN

Europe Region: Marie-Louise Luiking, PhD 

Latin America/Caribbean Region: Francisca Marquez-Doren, PhD, MNSc

Middle East Region: Wafaa Bin Ali, PhD, MSN, BSN, RN 

Oceania Region: Kathleen Peters, PhD, GradCert (Higher Education), BN (Hons), RN 

North America

Region 1: Jessica Nishikawa, DNP, APRN, FNP-C  

Region 2: Clarissa Waletzko, PhD, RN, EBPC  

Region 3: Krystal Davis, EdD, MSN, RN, CHSE 

Region 4: Sara Thimmes, MSN, RN

Region 5: Sue Yun Fowler, MA, RN 

Region 6: Carmen Vela, DNP, RN, CNE 

Region 7: Karen Worthy, PhD, MPH, RN, CNE, CNEcl  

Region 8: Priscilla Simms-Roberson, DNP, APRN, NP-C, SANE-A 

Region 9: Daniel Arturo Guerrero Gaviria, BSN

Region 10: Sandra Maxwell, MN, BScN, RN 

Region 11: Barbara Dewhirst, PhD, MSN, RN, CNL, CHSE 

Region 12: Tami Jakubowski, DNP, CPNP-PC, CNS 

Region 13: Charlene Whitaker-Brown, DNP, MSN, FNP, PMHNP-BC  

Region 14: Amita Avadhani, PhD, DNP, NEA-BC, CNE, DCC, ACNP-BC, AGNP-C, CCRN, FAANP, FCCM, FNAP

Region 15: Jason Kirchick, MPH, MSN, RN, CNL, MEDSURG-BC 

GOVERNANCE COMMITTEE

2-year term

Viji George, DNP, MA, RN, RNC-NIC, NEA-BC

Holly Hall, EdD, RN, MSHA 

Charlotte Swint, DNP, MSN, MPH, FNP-BC, CNE, CNRN, CHES, C-RH, C-0B (re-elected)

4-year term

Anne Mulligan, EdD, MS, RN 

Nancy Thompson, MSN, RN (re-elected)
Jancie Agazio, PhD, CRNP, RN, FAANP, FAAN (returning)

Megan Lippe, PhD, RN (returning)

LEADERSHIP SUCCESSION COMMITTEE

2-year term

Tess Bernardo, DNP, MSN-Ed, RN-BSN, CNE, PCCN  

Sonia Patricia Carreño Moreno, PhD, MSN, RN  

Edwin-Nikko Kabigting, PhD, RN, NPD-BC  

Kattiria Rosario-Gonzalez, PhD, RN 

4-year term

Nancy Goldstein, DNP, ANP-BC, CRNP, CNE

Carolyn Sue-Ling, PhD, MPA 

Kimberly Velez, MSN, RN  
Anthony Gomez, CGNC, DAPAANZ, RN, BScN, MScN, CertAP, EDipFS, CertATT, COSH, PGHSc, CertCI, NZDipPsych, Cert (returning)

Stephanie Jeffers, PhD, RN (returning)

Milko Zanini, PhD, RN, MSN, MaSoc (returning)

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About Sigma

The Sigma Theta Tau International Honor Society of Nursing (Sigma) is a nonprofit organization with the mission of developing nurse leaders anywhere to improve healthcare everywhere. Founded in 1922, Sigma has more than 100,000 active members and 600 chapters at institutions of higher education and healthcare partners from Armenia, Australia, and Botswana to Thailand, the United States, and Wales. Sigma members include clinical nurses and administrators, academic nurse educators and researchers, policymakers, entrepreneurs, and others working to fulfill the organization’s vision of connected, empowered nurse leaders transforming global healthcare. 

Learn more at SigmaNursing.org.