Our National Council

Phi Sigma Rho National Sorority is governed by the National Convention and the National Council. The Convention serves as the legislative branch of the sorority and is comprised of each voting member of National Council and delegates from each chapter and the corresponding alumnae associations. The Convention is the final ruling party in judicial matters and meets biennially.

The National Council is composed of nine voting members and two non-voting advisors. It acts as the executive and judiciary body of the sorority. National Council meets biannually to review the affairs of the sorority, implement additional programming, adjust regulations and execute judiciary matters.

Council Officers

Mary McWilliams
National President

Ohio State-Beta


A member of the inaugural Phi Sigma Rho class at Ohio State University, Ms. McWilliams completed her undergraduate degree (B.S. MET) in 1990, received her MBA in 1997 and received her certificate in program and project management in 2009. Currently, Ms. McWilliams is employed as a lead engineer for the DLA Land and Maritime in Columbus, Ohio, where she is responsible for fiber optic specifications for the Department of Defense and its Agencies. She also has the certification as a Lean Six Sigma Black Belt.

Mary has been an adjunct instructor with Columbus State Community College, Ohio Dominican University and University of Phoenix.  She has also served Phi Sigma Rho in the capacity of Regional Field Director and VP of Standards and has served advisor and mentor for the Beta Chapter of Phi Sigma Rho Sorority.  In 2013-2014, Ms. McWilliams served on the National Professionals Board for the National Society of Black Engineers in the capacity of Special Projects Chair, Leadership and Operations Development. Ms. McWilliams was elected as the 2015-2016 National Professionals Chair for the National Society of Black Engineers, where she had oversight of over 6,000 professional members, providing strategic direction for the NSBE Professionals. She has just completed her term in the role of National Professionals Chair-emeritus, National Society of Black Engineers for 2016-2017. 

In 2017, Ms. McWilliams received the Order of Pyramid Award by Phi Sigma Rho Sorority.

As a technical professional, Ms. McWilliams has worked for several multi-national companies in capacities of purchasing agent, process engineer, supplier quality engineer, manufacturing engineer and supply chain management.  This well-rounded background has continued to prove itself beneficial in her capacity of lead engineer for the federal government as she provides consultancy services to several non-government technical bodies in the capacity of government liaison such as the Society of Automotive Engineers (SAE), National Electrical Manufacturers (NEMA), and Telecommunications Industry Association (TIA). In March 2017, Ms. McWilliams received the  2016 Defense Standardization Program Outstanding Performance Award as a result of her collaborative and culminating work with the DOD Aviation Fiber Optics Standardization Joint Fiber Optic Working Group.

Currently in her final year of seminary studies at United Theological Seminary, pursuing M.A. Divinity, Mary McWilliams was elected as the National President of Phi Sigma Rho Sorority for 2017-2019.

The President presides over all National Council and National Convention meetings and directs and oversees the work of the National Council. She is the official national leader and spokesperson of the Sorority and has the power to appoint committees, call special meetings and designate a spokesperson in her absence. The President or her designated representative serves as an ex-officio member on the Phi Sigma Rho Foundation Board of Directors.

Becky Caldwell
Vice President of Standards



Becky Caldwell is an alumna and founding member of the Arkansas-Kappa chapter.  She graduated from the University of Arkansas with a bachelor's degree in Computer Science, with a minor in math, in August 2003 and graduated from the University of Arkansas School of Law with her juris doctorate in May 2006.  She has previously served on the 13th and 14th National Councils as Vice President of Standards.

Ms. Caldwell currently works for Garmin International, Inc., in the Kansas City metro area as in-house IP counsel.  In her free time, she enjoys traveling, learning German, and being involved with the Junior League of Kansas City.

The Vice President of Standards presides in the absence of the President and aids the President in any way deemed necessary. She is responsible for interpreting and enforcing the Constitution, Bylaws and Policies, Ritual, regulations and precedents of the Sorority. The Vice President of Standards receives all proposals for consideration at National Council and National Convention meetings, submits proposals on behalf of the National Council and oversees the adoption of approved proposals. She oversees all legal and insurance issues.

Stacey Horvitz
Vice President of Communications



Vice President of Communications Stacey Horvitz is an alumna of the University of Pittsburgh-Zeta Chapter, where she graduated with a BS in Mechanical Engineering.  She previously served as Chapter President, Convention Planning Committee member, Nominating Committee member, and VP of Finance for the Zeta Chapter Alumnae Association.  Professionally, she is a Project Engineer for the U.S. Nuclear Regulatory Commission.  She currently lives outside of Philadelphia, PA.

The Vice President of Communications records and distributes minutes of National Council meetings and National Convention meetings and distributes the minutes of all National committee meetings. She oversees all communications including the creation and updating of Sorority publications and publicity materials including the newsletter, website, and social media, and the news-release packages.

Christine MacLaren
Vice President of Finance



Christine MacLaren has re-joined the 16th National Council as Vice President of Finance.  She previously held this position from 1997 through 2000 and 2010 through 2015.  She was a Beta Class member of the Delta Chapter at the University of Toledo and graduated in 1997 with a Bachelors Degree in Business Administration.

Ms. MacLaren is currently the Human Resources Manager at Lyndon Steel Company in Winston-Salem, NC.  She is a certified Professional in Human Resources and is an aspiring Accredited Financial Counselor (AFC)®  candidate.  She recently passed the AFC® exam and hopes to inspire clients to manage their finances in the best way possible.  Ms. MacLaren has resided in North Carolina for the last twelve years, loves to travel, and spend time with her boyfriend, dogs, family and friends.

The Vice President of Finance oversees all national purchases and payments; presents bills to members, chapters, colonies and alumnae organizations; and keeps a record of all national receipts and expenditures. She prepares and distributes annual budgets for review at National Council and National Convention meetings and prepares and distributes monthly reports on the financial status of the Sorority to the National Council.

Cara Redding
Vice President of Collegiate Affairs



Vice President of Collegiate Affairs, Cara Redding, is an alumna of the University of Connecticut-Theta Chapter.  She graduated with a BS in Mechanical Engineering and is pursuing a MS in Project Management through the Penn State University.  Cara previously served as Treasurer and Social Chair of the Theta chapter, as well as the Regional Field Director of the East-1 Region.  Professionally, Cara is a Design Engineer at Pratt & Whitney, supporting the PW1100G and PW1400G fleets.

The Vice President of Collegiate Affairs is the primary liaison for active chapters and chapter advisors to the National Council. She is responsible for maintaining communication with chapters in order to effectively represent them to the National Council. The Vice President of Collegiate Affairs maintains status reports on each chapter and its membership. She or her designated representative is to visit with each chapter.

Mona Kim
Vice President of Alumnae Affairs



Mona Kim is an alumna of the University of California, San Diego-Chi Chapter, where she graduated with a BA in Cognitive Science. She previously served as Sr. Alumna Advisor for the UCSD-Chi Chapter, Board Member and VP of Publicity of the Phi Sigma Rho Foundation, and Regional Field Director for the West 2 Region. Professionally, she is a UX Designer based in Los Angeles, CA.

The Vice President of Alumnae Affairs is the primary liaison between alumnae organizations and the National Council. She is to help continuously improve the alumnae organizations by providing the alumnae members with resources and fostering sorority ideals.

Haley MacPhee
Vice President of Expansion



Vice President of Expansion Haley (Kopp) MacPhee is an alumna of the University of Connecticut Theta Chapter where she graduated with a BS in Chemical Engineering.  She has previously served as Regional Field Director as well as a colony educator.  Professionally, Haley is an Engineering Consultant in the Life Sciences industry for Azzur Consulting in San Diego, CA, where she lives.  In her free time, she loves yoga, trying out new breweries, and reading outside. 

The Vice President of Expansion coordinates and implements expansion efforts. She may also be the primary representative of Phi Sigma Rho to a national governing body.

Kathleen Vijaywergiya
Vice President of Programming

Ohio State-Beta


Vice President of Programming Kathleen M. Vijaywergiya is an alumna of The Ohio State University Beta chapter where she graduated with a BS in Chemical Engineering and holds an MBA in Management from Baldwin Wallace University. She previously served at the collegiate level as chapter president, new member educator and historian. Professionally, she is an Enterprise Technical Quality Consultant at Progressive Insurance utilizing her Lean Six Sigma Master Black Belt certification. Kathleen lives in Independence, OH with her husband and 2 boys.

The Vice President of Programming coordinates the implementation of Sorority programs and the educational and leadership training for members. She oversees programs and training for philanthropy, scholarship and other member development programs.

Nichole Aquino
Vice President of Membership



Vice President of Membership Nichole Aquino is an alumna of the University of Connecticut-Theta Chapter, from which she graduated in 2015 with a BS in Mechanical Engineering. She has previously served as a member of the National Ritual Committee and as Alumna Advisor for the University of Connecticut-Theta Chapter. Professionally, she is a Project Engineer at A/Z Corporation. Nichole currently lives in Groton, CT. 

The Vice President of Membership oversees all aspects relating to recruitment, new membership education, merchandising and trademarks, and rituals. She serves to maintain that the spirit of Phi Sigma Rho is represented appropriately at all times.

Lindsay Gelorme
National Council Advisor

Case Western - Omicron


Lindsay Gelorme was initiated into Phi Sigma Rho in the Fall of 2003 as an Alpha Class member of the Case Western Reserve University - Omicron Chapter. Ms. Gelorme graduated in 2006 with a bachelor's degree in Chemical Engineering. She previously served as VP of Communications on the 11th National Council, National President of the 13th National Council and National Advisor for the 14th National Council.

Ms. Gelorme currently resides in Lancaster, PA and works for Armstrong World Industries as the Technical Services Manager at the Marietta, PA plant. In her spare time, she enjoys reading, spending time with friends & family, and traveling.

The National Council Advisor serves as a mentor and aids in transition. She also serves as the chair of the Nomination Committee and have other duties and responsibilities as determined by the President or National Council.

Bailey Choma
National Council Active Advisor

Youngstown State-Alpha Alpha


Bailey Jo Choma is current active sister of The Youngstown State University Alpha Alpha chapter where she will graduate with a BS in Forensic Science with a concentration in Chemistry as well as her Emergency Medical Technician Certification in the upcoming spring. She is currently her chapter's philanthropy chair, as well the President of the Forensic Science Club at YSU.  Currently she is a summer intern at Omega Laboratories in Mogadore, Oh and during the school year she is an after school teacher with a program offered by the United Way at a local elementary school in Youngstown. After graduation she hope to find a job in either field, travel the country, and get a dog.

The National Council Active Advisor is to serve as the voice of the active body on National Council. She will be responsible for speaking with actives, presenting their needs and opinions to National Council and providing insight from an active perspective.