Association of Christians in the Mathematical Sciences. (1996 – Present).
Mathematical Association of America. (1988 – Present).
Dissertation Defense Committee Member,"Optimal Look Ahead Stopping Rules for Simple Random Walks," Mathematics. (June 11, 2021).
Dissertation Defense Committee Member,"A Global Spatial Model for Loop Pattern Fingernails and its Spectral Analysis," Mathematics. (June 28, 2019).
Dissertation Defense Committee Member,"Prophet Inequalities for Multivariate Random Variables with Cost for Observations," Mathematics. (April 24, 2019).
Dissertation Defense Committee Member,"A Random Walk Version of Robbins' Problem," Mathematics. (October 2018).
Master's Thesis Committee Chair,"Do State School Rankings and Test Results Have Predictive Value in First Year College Success?," Mathematics. (September 18, 2017).
Master's Thesis Committee Chair,"Statistical Analysis of the Effectiveness of the Math Lab," Mathematics. (June 30, 2016).
Dissertation Committee Member,"Sharp Lower Bounds for Stopping At or Near the Top of a Sequence," Mathematics. (2015).
Dissertation Committee Member,"Transfer from a UTeach Replication Site to the Classroom: A Study of First and Second Year Instructional Practices," Teacher Education and Administration. (2015).
Master's Thesis Committee Member,"Simulating the House Selling Problem with k Identical Objects," Mathematics. (2015).
Master's Thesis Committee Chair,"Does Having Taken Discrete Mathematics Benefit Students When They Later Take An Introductory Proofs Course?," Mathematics. (2014).
Dissertation Committee Member,"The Validation of a Short-Cycle Formative Assessment Observation Protocol for Science and Mathematics Instruction," Teacher Education and Administration. (2013).
Dissertation Committee Member,"The Development of Algebraic Reasoning in Undergraduate Elementary Preservice Teachers," Teacher Education and Administration. (2012).
Master's Thesis Committee Chair,"Continuum Percolation with Steps on the Square or Disc," Mathematics. (2009).
Other. (2008 – 2008).
Other. (2008 – 2008).
Other. (2006 – 2008).
Other. (2006 – 2008).
Other. (2007 – 2007).
Other. (2006 – 2006).
Other. (2006 – 2006).
Master's Thesis Committee Chair,"CornerPositive Matrices and the Class of Unit Covariances," Mathematics. (2005 – 2006).
Other. (2004 – 2006).
Other. (2005 – 2005).
Other. (2005 – 2005).
Other. (2005 – 2005).
Master's Thesis Committee Chair,"Survival Probability and Dynamic Programming," Mathematics. (2005 – 2005).
Other. (2005 – 2005).
Other. (2004 – 2005).
Other. (2003 – 2005).
Other. (2003 – 2004).
Other. (2003 – 2004).
Other. (2003 – 2004).
Other. (2003 – 2004).
Other. (2002 – 2002).
Other. (2002 – 2002).
Other. (2001 – 2002).
Other. (2001 – 2001).
Other. (2001 – 2001).
Other. (2000 – 2000).
Other. (2000 – 2000).
Other. (1998 – 2000).
Other. (1998 – 1998).
University Distinguished Teaching Professor, UNT Provost's Office. (2010 – Present).
Nominated for: Minnie Stevens Piper Award, Minnie Stevens Piper Foundation. (2016 – 2016).
Faculty Teaching Award, UNT Department of Mathematics. (2015 – 2015).
Nominated for: U.S. Professor of the Year, Carnegie Foundation. (2014 – 2015).
Nominated for: UNT Teacher Scholar Award, UNT Research Office. (2009 – 2009).
Distinguished College or University Teaching of Mathematics Award, Texas Section of the Mathematical Association of America. (2005 – 2005).
Honorary Alumnus, Texas Academy of Mathematics and Science. (2005 – 2005).
UNT President's Council University Teaching Award, UNT President's Council. (2004 – 2004).
Joseph B. Whitehead Educator of Distinction Award, Coca-Cola Scholars Foundation. (2003 – 2003).
Who's Who Among America's Teachers, Who's Who Among America's Teachers. (2002 – 2002).
Nominated for: 'Fessor Graham Award, UNT Student Government Association. (2001 – 2001).
Joseph B. Whitehead Educator of Distinction Award, Coca-Cola Scholars Foundation. (2001 – 2001).
Honorary Member, UNT Golden Key National Honor Society. (1999 – 1999).
Nominated for: Association of Princeton Graduate Alumni Teaching Award, Association of Princeton Graduate Alumni. (1996 – 1996).
Excellence in Teaching Award, Princeton University Engineering Council. (1996 – 1996).
Quintanilla, J. A. (Presenter), Seminar in Teaching Undergraduate Mathematics, How Precalculus Students Can Find the Decimal Expansions of Logarithms, UNT Department of Mathematics, Denton, Texas, United States of America. (2017).
Quintanilla, J. A. (Presenter), Seminar in Teaching Undergraduate Mathematics, Techniques for Teaching Students How to Write Proofs, UNT Department of Mathematics, Denton, Texas, United States of America. (2017).
Quintanilla, J. A. (Presenter), Seminar in Teaching Undergraduate Mathematics, Teaching Predicate Logic with Popular Culture, UNT Department of Mathematics, Denton, Texas, United States of America. (2016).
Quintanilla, J. A. (Presenter), Seminar in Teaching Undergraduate Mathematics, Lecturing and Time Management, UNT Department of Mathematics, Denton, Texas, United States of America. (2016).
Quintanilla, J. A. (Presenter), Seminar in Teaching Undergraduate Mathematics, A Mathematics Course for Future Secondary Teachers, UNT Department of Mathematics, Denton, Texas, United States of America. (2014).
Quintanilla, J. A. (Presenter), Kringen, T. (Presenter), Mendez, A. (Presenter), 2014 UTeach Institute-NMSI Conference, A Capstone Course for Future Secondary Teachers, UTeach Institute/NMSI, Austin, Texas, United States of America. (2014).
Quintanilla, J. (Author & Presenter), 101st Annual Meeting of the Texas Section of the MAA, Concavity and Orthogonality at Saddle Points, Texas Section of the Mathematical Association of America, Online, United States of America. (2021 – 2021).
Quintanilla, J. A. (Presenter), 97th Annual Meeting of the Texas Section of the MAA, How Precalculus Students Can Find the Decimal Expansions of Logarithms, Texas Section of the Mathematical Association of America, Commerce, Texas, United States of America. (2017).
Quintanilla, J. A. (Presenter), 96th Annual Meeting of the Texas Section of the MAA, Teaching Predicate Logic with Popular Culture, Texas Section of the Mathematical Association of America, Nacogdoshes, Texas, United States of America. (2016).
Best Paper, 2018, International Review of Economics Education. (April 10, 2019 – Present).
Teacher of Merit, Intel Science Talent Search. (2008 – 2008).
Texas Project NExT (New Experiences in Teaching) Fellow, Texas Section of the Mathematical Association of America. (1997 – 1998).
National Science Foundation Minority Graduate Fellowship, National Science Foundation. (1992 – 1992).
Predoctoral Fellowship for Minorities, Ford Foundation. (1992 – 1992).
Member, Community College Connections Committee. (November 2020 – Present).
Member, EAB Analytics Team. (July 2019 – Present).
Member, Digital Strategy Innovation Advisory Committee. (January 2019 – Present).
Chairperson, Learning Spaces Strategy Committee. (January 2019 – Present).
Member, Study Abroad Task Force. (October 2018 – Present).
Co-Chair, College of Science Curriculum Committee. (August 2017 – Present).
Co-Chair, Council of Advisors. (August 2017 – Present).
Member, Academic Associate Deans Committee. (March 2017 – Present).
Member, University Undergraduate Curriculum Committee. (March 2017 – Present).
Member, UNT 2050 Visioning Group. (November 2019 – March 2020).
Member, Field of Study Work Group. (October 2019 – January 2020).
Member, Wait List Task Force. (August 2018 – August 2019).
Member, Department of Mathematics Outreach Committee. (August 2018 – July 2019).
Member, Space Analysis Committee. (August 2018 – July 2019).
Member, Dean Reappointment Committee. (December 2018 – May 2019).
Member, Automated Scheduling Committee. (August 2018 – April 2019).
Committee Chair, Higher Achieving Student Retention Subcommittee. (November 2018 – March 2019).
Committee Member, Applied Mathematics Qualifying Exam Committee. (2016 – 2018).
Committee Member, UNT Distinguished Teaching Professor Committee. (2015 – 2018).
Member, Classroom Building Committee. (August 2017 – December 2017).
Faculty Advisor, Undergraduate Advisor. (2007 – 2017).
Committee Member, Statistics Hiring Committee. (2015 – 2016).
Committee Member, SETE Task Force. (2014 – 2016).
Committee Member, Probability/Statistics Qualifying Exam Committee. (2010 – 2016).
Committee Member, TAMS Selection Committee. (February 2015 – April 2016).
Member, Faculty Senate Budget Committee. (2012 – 2015).
Co-Director, Teach North Texas. (2008 – 2015).
Committee Member, Lecturer Executive Committee. (2009 – 2009).
Committee Member, Executive Committee. (2008 – 2009).
Committee Member, Undergraduate Affairs Committee. (2005 – 2009).
Committee Member, Complex Analysis Qualifying Exam Committee. (2000 – 2009).
Committee Member, Grade Appeal Committee. (2008 – 2008).
Other, TAMS Fall Convocation. (2000 – 2008).
Other. (1998 – 2008).
Other, "What do Award-Winning Teachers Do?". (2007 – 2007).
Other, 10th Annual Texas McNair Research Conference. (2007 – 2007).
Other, 9th Annual Texas McNair Research Conference. (2007 – 2007).
Committee Member, Math 1010 Textbook Committee. (2007 – 2007).
Committee Member, Math 1680 Textbook Committee. (2007 – 2007).
Committee Member, Applied Probability/Statistics Hiring Committee. (2006 – 2007).
Committee Member, Industry Relations Committee. (2006 – 2007).
Committee Member, UNT Foundations of Excellence Learning Dimension Committee. (2006 – 2007).
Other, 8th Annual Texas McNair Research Conference. (2006 – 2006).
Committee Member, Lecturer Hiring Committee. (2006 – 2006).
Committee Member, CAS Undergraduate Affairs Committee. (2005 – 2006).
Committee Member, University Review Committee. (2003 – 2006).
Other, 7th Annual Texas McNair Research Conference. (2005 – 2005).
Commencement Speaker. (2005 – 2005).
Committee Member, Grade Appeal Committee. (2005 – 2005).
Committee Member, Math 1710/1720/2730 Textbook Committee. (2005 – 2005).
URC Investigative Subcommittee. (2005 – 2005).
Committee Member, Scholarship/Selection Committee. (2003 – 2005).
Committee Member, Space Committee. (2001 – 2005).
Other, 6th Annual Texas McNair Research Conference. (2004 – 2004).
Committee Chair, Applied Statistics Subcommittee. (2004 – 2004).
Other, 5th Annual Texas McNair Research Conference. (2003 – 2003).
Committee Member, Math 1680 Textbook Committee. (2003 – 2003).
Other, TAMS Moving-In Day. (1999 – 2003).
Committee Chair, Grade Appeal Committee. (2002 – 2002).
Other, TAMS Interview Day. (2001 – 2001).
Other, UNT College of Arts & Sciences Ambassadors. (2001 – 2001).
Committee Member, Computer Committee. (2000 – 2001).
Faculty Advisor, UNT Mathematical Contest in Modeling teams. (2000 – 2001).
Other, 11th Annual Meeting of the Hispanic Friends of the University of North Texas. (2000 – 2000).
Committee Member, Grade Appeal Committee. (2000 – 2000).
Committee Member, Math 1710/1720/2730 Textbook Committee. (2000 – 2000).
Committee Member, Real Analysis Qualifying Exam Committee. (1999 – 2000).
Committee Member, Space Committee. (1999 – 2000).
Committee Member, TAMS Disciplinary Appeal Committee. (1999 – 1999).
Committee Member, Computer Committee. (1998 – 1999).
Committee Member, Undergraduate Affairs Committee. (1998 – 1999).
Program Coordinator, Mathematics Awareness Week. (1997 – 1999).
Committee Member, Math 1680 Textbook Committee. (1998 – 1998).
Other, 1997 TAMS Summer Orientation. (1997 – 1998).
Other, Letters of recommendation. (1997 – 1998).
Other, TAMS Family Weekend. (1997 – 1997).
Library Faculty Focus Group. (1996 – 1996).
Member, Texas Higher Education Coordinating Board Undergraduate Education Advisory Committee, Austin, Texas. (September 2017 – May 2021).
Reviewer, Journal Article, Several Journals, Denton, Texas. (2019).
Reviewer, Journal Article, Several Journals, Denton, Texas. (2018).
Reviewer, Journal Article, Several Journals, Denton, Texas. (2017).
Other, Annual Meeting of the North Texas Commission, Dallas, Texas. (2000 – 2000).
Other, UIL SuperConference. (1999 – 1999).
Other, Nortel College Fair, Richardson, Texas. (1998 – 1998).
Program Organizer, Denton Calvary Academy Mathcounts Team, Denton, Texas. (2015 – 2018).
Other, Woodrow Wilson Elementary School, Denton, USA. (February 2017).
Program Organizer, Woodrow Wilson Elementary School Science Fair, Denton, Texas. (2013 – 2015).
Guest Speaker, Denton Public Library Pi Day Activities, Denton, Texas. (March 14, 2015).
Academic, Graduate Record Examination Quantitative Exam, United States of America. (2000 – 2015).
Academic, M. Marder, Research Methods, United States of America. (2009 – 2009).
For Profit Organization, Tour Andover Controls, United States of America. (2005 – 2005).
Academic, M. L. Bittinger, Calculus and Its Applications, United States of America. (2000 – 2002).
Academic, Random Heterogeneous Materials: Microstructure and Macroscopic Properties, United States of America. (1999 – 2000).