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Staff and Collaborators

At Sustainable Horizons Institute, we are more than just another group of specialists.  We are a diverse and award-winning team of scientists, communicators, and educators working together to build sustainable futures. We know difference is the essential component of a strong team.  It is our identity and our business, and it enables us… Continue reading

Mary Ann Leung, Founder and President

Dr. Leung is a nationally acclaimed leader in the design and implementation of innovative programs aimed at developing the next generation of science, technology, engineering, and mathematics (STEM) leaders.  As an accomplished scientist, Mary Ann honors and treasures the process of scientific discovery.  As the director of major STEM-focused educational programs, Dr. Leung nurtured her… Continue reading

Silvia Crivelli

Silvia Crivelli is a computational biologist who has been working on protein folding for 17 years. She has led various teams of students and post-doctoral researchers to compete in CASP (Critical Assessment of techniques for protein Structure Prediction) which is a community-wide, worldwide, multidisciplinary competition that challenges the best labs to submit blind predictions of… Continue reading

Sally Ellingson

Dr. Sally R. Ellingson, PhD is an Assistant Professor in the Division of Biomedical Informatics, College of Public Health at the University of Kentucky (UK) where she leads the High-Performance Computing (HPC) initiatives at the Cancer Research Informatics (CRI) shared resource facility at the Markey Cancer Center and just this March became a new KL2… Continue reading

Christine Harvey

Christine Harvey is a Modeling and Simulation Engineer at the MITRE Corporation where she specializes in data analysis and High Performance Computing in Simulation.  Her research interests include HPC in simulation, Agent Based Modeling, and Big Data Analysis particularity in the field of Healthcare.  She completed her Masters in Computational Science from The Richard Stockton… Continue reading

Raquell Holmes

Dr. Raquell Holmes is a researcher and educator skilled in supporting scientists crossing disciplinary and cultural barriers to advance their own abilities and to broaden the scope of their research.  Holmes uses her understanding of computing, computation and biology to create interdisciplinary research projects and increase participation in the computational sciences.  She is developing an approach… Continue reading

Tony Drummond

Dr. Drummond is a Staff Computer Scientist in the Computational Research Divsion of Lawrence Berkeley National Laboratoy. He works on the development of High-Accuracy Scalable Solvers for Particle Physics simulations. In addition, within the framework of the Sustain Innovation for Linear Algebra Software (SILAS), he works on the LAPACK and ScaLAPACK library development. He also studies… Continue reading

Connie L. McNeely

Connie L. McNeely received the B.A. (A.B.) in Sociology from the University of Pennsylvania and the M.A. (A.M.) and Ph.D. in Sociology from Stanford University. She is currently Professor in the School of Policy, Government, and International Affairs at George Mason University, where she is also the Co-Director of the Center for Science and Technology… Continue reading

Pathways to Success Workshop

Pathways to Success Workshop: exploring challenges and identifying resources to help students, faculty, and professionals create a vision of success 

Dr. Leung has been to a variety of venues to present her signature workshop aimed at encouraging students, faculty, and professionals to find and pursue their passion in science. This workshop provides insights and… Continue reading

Richard Coffey

Richard Coffey is a Technical Account Manager for Amazon Web Services.  He serves enterprise customers for AWS by bringing his  technical skills, by leveraging his experiences in strategy and management, and by stewarding long-term relationships.  He previously served as Chief Technical Adviser at KnowNow STD and as the Director of User Experience at the Argonne… Continue reading

Kenneth Craft

Kenneth Craft is a Fortran Technical Consulting Engineer at Intel, Inc.  He has studied and worked with high performance computing (HPC) for the last 8 years.  He has worked with a variety of companies to help modernize their code. He has also worked with Universities to bridge the gap in curriculum to help build stronger,… Continue reading

Help Communicating Your Science

SIAM has a great opportunity for anyone hoping to get help communicating their research!

Do you want to craft an effective message about your research, a message that impresses potential employers, garners media attention, and doesn’t make a lay person’s eyes glaze over? Tell us about your research and explain why you would like help… Continue reading

Elizabeth Leake

Elizabeth Leake has more than 20 years of experience with post-secondary education service, shared governance, communication, and information technology (IT) administration.  Leake is the founder of STEM-Trek Nonprofit, an organization that supports travel, mentoring, and professional development for high-tech scholars from under-represented communities and under-served regions. In exchange for support, beneficiaries are encouraged… Continue reading

Kristin James

Kristin James has ten years of experience in the Information Technology services industry with a strong emphasis on Project Management.  She has used her Project Management skills to manage hundreds of projects to successful completion with a focus on customer experience and communication.   She currently serves as the Program Coordinator for Sustainable… Continue reading

Our Work

At Sustainable Horizons Institute, our work speaks for itself, in the voices of our most important benefactors students and scientists of tomorrow. We know them, and we know you. You want achievement to be the rule, and not the exception. You want to lead. You want to innovate. At Sustainable Horizons Institute, we are working… Continue reading

Workforce Development

Workforce Development, Mentoring, Career, Professional, and Leadership Development. 

Sustainable Horizons Institute has a breath of experience in designing, developing, and implementing effective programs to develop leaders, build careers, and foster relationships that sustain our benefactors throughout the lifecycle of their scientific and personal endeavors.  Through the SCxy Broader Engagement program innovative Mentor-Protégé programs… Continue reading

WeFold Protein Folding Educational Adventure

As scientists we are innovators, we are inventors, we are researchers, we work on solving problems to help make the world a better place.

Scientists become scientists for different reasons but they all need good mentors to “unleash” the scientist inside them.

The WeFold summer camp was created to get students excited about science, spark… Continue reading

SIAM CSE15 Broader Engagement Program

The Society of Industrial and Applied Mathematics (SIAM) 2015 Computational Science and Engineering (CSE15) conference broke attendance, fund raising, and other records. A pilot mentoring and Broader Engagement (BE) program organized by Sustainable Horizons Institute and a volunteer committee added to the list of achievements. The goals of the program were to not only connect… Continue reading

Supercomputing Conference Poster Submission Workshop

In 2015, Sustainable Horizons Institute was awarded a grant from the National Science Foundation to conduct a workshop for past BE participants. The vision of this project was to help past SCxy BE participants get more involved with the main technical track of the conference by providing training and assistance for their submission to the… Continue reading

Roger Garcia

Roger Garcia received his B.S. degree and M.S. degree in the B.S/M.S. Science and Technology, Computational Mathematics Option, a 5 year program terminating in a M.S degree with a B.S degree awarded after the fourth year. The degree is part of the New Jersey Center for Science, Technology, and Mathematics, and honor college program at… Continue reading

Verónica G. Vergara Larrea

Verónica G. Vergara Larrea is originally from Quito, Ecuador. She obtained her bachelor of arts degree in Mathematics/Physics at Reed College and her masters of science degree in Computational Science at Florida State University. Veronica has been involved in high performance computing since 2010, when she first attended the SC conference as a Student Volunteer,… Continue reading

Larisse Voufo

Larisse Voufo is a Computer Science PhD graduate from Indiana University’s School of Informatics and Computing. She is currently a Software Engineer at Google, Inc., and advocate for furthering efforts in diversity and inclusion in STEM fields. To date, she has participated in various K-12 outreach programs and activities for women and underrepresented groups in… Continue reading

Argonne Training Program on Extreme-Scale Computing (ATPESC)

Designed to train the next generation of supercomputer users, the Argonne Training Program on Extreme-Scale Computing (ATPESC) is scheduled for its third year in the Chicago area from August 2-14, 2015. Application deadline is April 3, 2015. Program Curriculum: Renowned scientists, HPC experts, and leaders will serve as lecturers and will guide hands-on laboratory sessions.… Continue reading

Blue Waters Student Internship Program – Call for Applications from Students and Mentors

SUMMARY: Blue Waters Student Internship Program Applications due Fri March 20 2015 Contact: Phil List (bplist@shodor.org) http://bluewaters.ncsa.illinois.edu/internships http://shodor.org/petascale/participation/internships DETAILS: Are you a student looking for an internship or faculty interested in mentoring a student? Blue Waters Student Internship Program Now Accepting Applications (due by Friday March 20, 2015) Blue Waters Student Internship Program… Continue reading

Sustainable Horizons Institute Receives Certificate From Govenor Brandstad

Sustainable Horizons Institute received a certificate signed by Iowa Govenor Terry Brandstad and Lieutenant Govenor Kim Reynolds for establishing a 501(c)3 nonprofit organization in the state of Iowa.  The certificate was presented at the annual Immigrant Entrepreneurs Summit held in Ankeny, Iowa on Saturday, November 8, 2014.  Sustainable Horizons Institute founder and president,… Continue reading


We are currently raising funds to support students and early career faculty and professionals participation in Sustainable Horizons Institute programs and community.

Rehan Raiyyan

For my summer term of 2014 at the United States Department of Energy’s Lawrence Berkeley National Laboratory, I am conducting research in computational molecular biology for a blind submission experiment for the Critical Assessment of Protein Structure Prediction (CASP) initiative. In this process, I am formulating algorithms to help identify three dimensional protein structures based… Continue reading

Advisory Board

Sustainable Horizons Institute is delighted to be advised by a prestigious group of accomplished scientists, engineers and technologists.

Tony Baylis

Director of Strategic Diversity Programs, Lawrence Livermore National Laboratory

Tony Baylis at Lawrence Livermore National Laboratory is the Laboratory’s Director for the Office of Strategic Diversity and Inclusion Programs. In this position, he is the senior management advocate for diversity and inclusion for the Laboratory. The Office of Strategic Diversity and Inclusion Programs partners with… Continue reading

Roscoe Giles

Roscoe Giles is a professor in the Department of Electrical and Computer Engineering at Boston University (BU). Giles’ research focuses on the application of high performance and parallel computing to physics and materials problems.

Giles has served in a number of leadership roles in the community, including as a member and chair of the DOE… Continue reading

Damian Rouson

Damian Rouson is a mechanical engineer with extensive experience in software design and development for multiphysics modeling, including classical, quantum, and magnetohydrodynamic turbulence and multiphase flow. He coauthored the textbook Scientific Software Design: The Object-Oriented Way (Cambridge University Press, 2011) and has been contracted to teach related courses at … Continue reading

Jennifer Ogden

My name is Jennifer Ogden and I am one of the speakers for the talk entitled “Reducing the data complexity with filtering and clustering” along with Rachel Davis of Drake University and Rehan Raiyyani of University of California, San Diego. This talk is part of the mini symposium “Combining disciplines, techniques, faculty, and students to… Continue reading

Ricardo Ferriera

I never realize the value in computer science (CS) until I got accepted to go to the internship at the Lawrence Berkeley Lab.  Seeing what programming is and experiencing the power of it opened my eyes to how intertwined CS is in your everyday life! I am not a skilled programmer, I don’t have… Continue reading

Rachel Davis

Hello! My name is Rachel Davis. I’m a rising junior at Drake University in Des Moines, Iowa where I’m double majoring in mathematics and computer science. I’m beginning to look around and consider graduate schools, so I decided to try for an REU this summer. Luckily, Silvia was willing to take me under her wing… Continue reading

Christopher Cook

My name is Christopher Cook. I am a sophomore undergrad at Mountain View Community College in Dallas, Texas. I hope to get your support to assist in costs associated with attending the SIAM Conference on Computational Science and Engineering, CSE15. I plan to present my work conducted during a 10-week internship at the Lawrence Berkeley… Continue reading

Anthony Lopez

My name is Anthony Lopez. I am an undergraduate student attending Del Mar College, a small community college with a real passion for education. I am a full time student as well as a Supplement Instructor (SI) leader for Biology. I was nominated by my Biology and Biotechnology professors to represent my institution during the… Continue reading

Featured Project

Supercomputing Conference Broader Engagement (BE) Technical Session Poster Submission Workshop.

Sustainable Horizons Institute was recently awarded a grant from the National Science Foundation to conduct a workshop for past BE participants.  The vision of this project is to help past BE participants get more involved with the main technical track of the conference… Continue reading

Contribute to SC15 Broader Engagement Technical Poster Submission Workshop

Please consider contributing support for the new Broader Engagement program we are starting at the Society of Industrial and Applied Mathematics 2015 Computational Science and Engineering conference.  By supporting this program, you will be helping to create brighter horizons for students, faculty and professionals.  Individuals as well as organizations are invited… Continue reading

Workshop for Submitting Posters to SC15 Technical Program

We are please to announce that we are now accepting applications for a workshop aimed at providing training and hands-on mentoring for past SC Broader Engagement participants.  The workshop is designed to assisting participants with their SC15 Technical Poster submissions.

For more information please visit our Apply page.

Jose Portillo

I was born to a family of coffee growers in Nicaragua. When I graduated High School my mother insisted for us to move to the United States where education is best and opportunities greater. When I arrived to Miami Florida I started taking English and grammar courses in order to learn the language and be… Continue reading

Yvonne Raes

Yvonne Raes

Mrs. Raes graduated from Upper Iowa University, magna cum laude, with a Bachelor of Science Degree in Accounting.  She has a track record of leadership in command and personnel solutions in her 20-year career in the Army National Guard. She served at all levels, from the bottom up, in managing and implementing… Continue reading

BE Matters — Story on HPC Wire

Another story about the impact that the SC Broader Engagement program is having on the community has been featured in HPC Wire.  Read about Robert Dunn and how BE mentors have kept him on the track of pursuing his dream a career in computer science and high performance computing.


Leung Publishes in Computing Research News on SC13 Broader Engagement Program

Dr. Mary Ann Leung, Sustainble Horizons Institute Founder and President, has published an article in the Computing Resarch News January 2014 edition with Geri Lamble.  The article, entitled “Expanding the Pipeline: SC13 Supercomputing Conference”, describes how the program is working to increase the number of under-represented individuals (Hispanics, African Americans, Native Americans, women, and… Continue reading

Submissions for 2015 Emerging Researchers National (ERN) Conference in STEM

Undergraduate and graduate students who participate in the following NSF programs* are invited to submit abstracts for the 2015 Emerging Researchers National (ERN) Conference in STEM:

***Alliance for Graduate Education and the Professoriate (AGEP); ***Centers of Research Excellence in Science and Technology (CREST); ***Emerging Frontiers in Research and Innovation (EFRI) Scholars; ***EntryPoint; ***Historically Black… Continue reading

Travel Grants: 2015 Emerging Researchers National (ERN) Conference in STEM

Welcome to the travel award application process for the 2015 Emerging Researchers National (ERN) Conference in STEM. The ERN Conference is cosponsored by the American Association for the Advancement of Science (AAAS), Education and Human Resources Programs (EHR) and the NSF Division of Human Resource Development (HRD), within the Directorate for Education and Human Resources… Continue reading

Mary Schon

Schon received a USDA National Needs Fellowship to complete a Ph.D. in agronomy from the University of Missouri–‐Columbia.  She then worked at Epcot® at Walt Disney World for 17 years, helping to bring agriculture and science to life. She served as Plant Nutritionist at The Land, the agriculture pavilion at Epcot®,… Continue reading

Sustainable Horizons Institute Receives Grant from National Science Foundation

Supercomputing Conference Broader Engagement Technical Session Poster Submission Workshop.  Sustainable Horizons Institute was recently awarded a grant from the National Science Foundation to conduct a workshop for past BE participants.  The vision of this project is to help past BE participants get more involved with the main technical track of the conference by… Continue reading

Jonathan Vega

When I met Mary Ann I had a keen instinct that engineering or a STEM major was for me and it was the path of life that I wanted to follow.  But before I talk about how Mary Ann was my mentor, I think it is important to mention where my keen instinct came… Continue reading

Alex Rodriguez

I met Mary Ann during my first years as a fellow of the DOE CSGF program. Among our many interactions, I especially recall one of the first conversations we had at the yearly CSGF conference where, despite having been away from her research for several years, she managed to clearly and passionately explain her PhD… Continue reading

Yashema Mack

I was first introduced to High Performance Computing (HPC) and Mary Ann Leung at the Richard Tapia conference in 2009, where she gave a presentation in the doctoral showcase. Her presentation was so profound that I, merely a student in Computer Science trying to find my niche and how I would advance in the field,… Continue reading

Heather Mayes


I know Mary Ann from the DOE Computational Science Graduate Fellowship. For most of us, she personifies the program in its aim to train us to be the most successful scientist possible. Professional and personal development of scientists is extremely important to Mary Ann, as evidenced by how quickly and whole-heartedly she responds to… Continue reading

Tyler Bonnen

For many of us, an education does not come easy. The math and the sciences even less so; linear, rigorous, and unambiguous in their outcomes. Especially for those of us that are under represented in the sciences–because of gender, age, race, ability, or class status–sometimes its difficult to feel like we measure up.

I remember… Continue reading

SC13 Broader Engagement Program

Sustainable Horizons Institute is heading to Denver to attend the SC13 Supercomputing Conference.  Dr. Mary Ann Leung, is Deputy Chair for the Broader Engagement (BE) program.  The mission of the BE program is to increase the participation of individuals who have been traditionally under-represented in high performance computing. Through community building, technical seminars,… Continue reading

Immigrant Entrepreneurs Summit

Sustainable Horizons Institute got a jump start on the business by attending the Immigrant Entrepreneurs Summit in Des Moines, IA on Saturday, November 16, 2013.  The Summit brings together diverse business owners to share, learn, and celebrate entrepreneurship and the collective contribution to the community.  Awards were given out for outstanding business… Continue reading

John P. Ziebarth

Throughout his career leading educational and governmental communities at the forefront of high performance computing (HPC), computational science, and engineering, John has found occasion to design and implement major educational initiatives with a focus on enhancing teacher and student experiences in computational science and HPC.  During his engagements at various institutions including Department of… Continue reading


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