Mr. Bustos has over 25 years of executive experience in the automotive, industrial and telecommunications industries managing global operations, executing complex restructurings, and forging new business development in Europe, Asia, and the Americas, with emphasis in emerging markets and China.

By age 30, he founded and led the General Motors Advance Purchasing organization, which grew to oversee up to $50 billion in annual purchase value.

He earned his MBA as a Sloan Fellow from the Massachusetts Institute of Technology and a Bachelor of Science in Electrical Engineering from the Georgia Institute of Technology.

While at MIT, Mr. Bustos authored the thesis, “We All Matter: Changing the Way We Fight Hunger.”

The OHorizons Foundation is the brainchild that grew out of this thesis and is one of Mr. Bustos’ many contributions to establishing a world in which everyone is able to live healthy, productive, and dignified lives. Mr. Bustos founded OHorizons with the belief that some of the world’s toughest problems need simple solutions. Our efforts focus on bringing innovative solutions for the ‘Four Horizons’ of Life: Water, Agriculture, Energy, and Economic Development in order to end hunger and poverty around the world.

OHorizons seeks to address these global issues by designing and engineering simple, scalable, sustainable, and empowering solutions that can be implemented locally, and we partner with on-the-ground organizations to deploy them. We call these solutions “Low-Tech, High-Thinking.” Our simple, low-tech solutions ensure the long-term sustainability and success of underserved communities, particularly women and children, around the world.

Mr. Bustos is the Founder, Chairman, and Chief Executive Officer of OHorizons Global, an international private investment and management consulting firm that works on multi-billion dollar projects for investment firms and strategic conglomerates who focus on the automotive, industrial, and energy sectors.

Mr. Bustos is currently on the Board of Directors of the Michigan Science Center, serves as an officer and on its executive committee, the organization serves hundreds of thousands of children in Michigan.

Previously, he has been on the Board of Directors of Axalta Coating Systems, and served on its compensation committee, the Board of Directors of Cooper-Standard, and served on its compensation committee, the Boards of GMI Diesel Engineering in Japan, Isuzu Motors Polska in Poland, and DMAX in the U.S.


Team Members



Tamara served on the OHorizons Advisory Board for 4 years before coming on as the CEO in March 2017.

She has three and a half decades of experience building and running businesses (including a high tech start-up), big and small.

Her leadership, team building, strategic thinking and strong communication skills are being channeled into scaling OHorizons sustainable, low cost solutions and finding partners to join the cause.

Tamara has lived and worked all over the world and is passionate about building local capabilities and capacity for real sustainable solutions. She believes the OHorizons "Low-Tech, High-Thinking" approach delivers on this.

Tamara lives her personal and professional life with the guiding principle of "Do the Right Thing."

Ms. Minick-Scokalo is currently on the Board of Amer Sports, serving on its compensation committee. She is also the Chairman of the Board of Explore Cuisine.

Previously, she has been an executive at large multinational companies, such as Procter Gamble, Cadbury/Mondelez, Pearson, Coca-Cola, etc.

Ms. Minick-Scokalo co-founded high tech start-up Trax Retail and served as CEO for two years, before becoming Chairman of the Board. On low resolution devices (smart phones), Trax Retail uses fine grain image recognition, artificial intelligence, advanced panoramic stitching and machine learning for shelf management and sales growth.


Natalie Relich
Executive Director

Natalie has served as Executive Director of OHorizons since August 2013. Throughout this time, she has been privileged to watch the Wood Mold BioSand Filter grow from a concept into successful pilot projects and now into one of the largest BioSand Filter programs in the world.

Natalie has spent most of her professional career working for various nonprofits on international development issues and has lived and worked in a variety of countries. 

Natalie has a BA in Public Policy from the University of Michigan and a Masters in Public Administration from New York University.  

Read Natalie's Q & A Blog Post

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Donna Davis has more than 20 years of experience serving in both the public and private sectors. She has served in leadership positions in some of New York City’s premier non-profit organizations in fundraising development and non-profit communications and marketing.  To date Ms. Davis’, has helped to leverage the investment of over $400 million in New York City communities and raised over $70 million dollars. 

Donna’s brings to OHorizons her talent of building strong collaborative relationships that help to fundraise and “brand raise” for social and economic programs and services that positively impact change. Her goal at OHorizons is to share their mission of solving problems with international thought leaders and influencers that can support the long term sustainability of the organization--- with the inspiring outcome of assisting those that need it the most.

Ms. Davis’ service to communities started over twenty-five years ago, and she continues to assist a variety of organizations and initiatives including Unite Women New York, where she serves as a board member, advisor to the Universal Hip Hop Museum, the only NY State chartered museum dedicated to hip hop culture and historical preservation, an advisory member, to the International Association of Fashion Stylist and member of Fresh Direct Community Advisory Council. She also serves on the Board of Governors for NANOE (National Association of Nonprofit Organizations & Executives). NANOE is a nationwide network of nonprofit executives who design heroic missions of scale that solve problems so completely, money chases after them.


Dylan Lunney
Director of Communications

Dylan holds a B.A. in Political Science from the University of Wisconsin-Madison.

Since moving to New York City in 2012, he has worked crucial roles with multiple early stage startups including: Apricot Tile LLC, The UnSchool of Disruptive Design, and OHorizons.

Dylan has used these opportunities to gain valuable professional development in business strategy, brand development, and online marketing. 

Dylan joined the OHorizons team full-time in Fall 2015 after serving as a Summer Fellow and falling in love with the organization’s ingenious approach to capacity building through intelligent design.  


Network of Innovators

Our international coalition of volunteers plays an important role in every aspect of our operations. We wouldn’t be where we are today without the large number of people who have believed in our movement and dedicated their time and skills to make OHorizons what it is. We'd like to thank the people below for their contributions to our Low-Tech, High-Thinking mission. 



Nahida Akhter. Brooklyn, New York. 

Emmy Dallas. New York, New York. 

Saratu Mahama. New York, New York. 

Amanda Low. New York, New York. 

Karla Boza. New York, New York. 

Dylan Lunney. New York, New York. 

Peng Lu. New York, New York. 

Devon Roberts. Troy, Michigan. 

Me-Rae Kim. Troy, Michigan. 

Bailey McFarland. Troy, Michigan. 

Katherine Liu. Troy, Michigan. 

Ben Karczewski. Troy, Michigan. 

Lauren Montemurri. Troy, Michigan. 

Charlotte Herring. Troy, Michigan. 


Wood Mold Engineers and Testers

Aaron Howard. Ypsilanti, Michigan. 

  • 2” x 2” supports, designed the Wood Mold to be cut from a single 4’ x 8’ sheet of plywood.
  • Designed original Wood Mold Constructional Manual

School of Engineering Technology, Eastern Michigan University. Ypsilanti, Michigan. 

  • Numerous faculty members and student at EMU gave their time, expertise, and use of their facilities to OHorizons on a number of projects including durability testing of the Wood Mold and plug flow testing of our BioSand Filter. 


Volunteer Researchers

Sulakshana Seshadrinathan 

Kellie Doucette 



Miranda Rensch. Seattle, Washington. 

  • OHorizons Intro Sheet


Volunteer Translators

Aline Guidry. Rio de Janeiro, Brazil. 

  • Portuguese Introduction to BioSand Filters, Construction Manual, Appendix, and Technical Resources Kit.

María Lago. Vigo, Spain. 

  • Spanish Introduction to BioSand Filters.

María Florencia. Buenos Aires, Argentina. 

  • Spanish Construction Manual (2nd draft) and Appendix.

Karla Boza. San Salvador, El Salvador. 

  • Spanish Construction Manual (1st draft)

Miguel Lopez Virués. Jerez, Spain. 

  • Spanish Technical Resources Kit (1st draft)

Julieta Cordone. Buenos Aires, Argentina. 

  • Spanish Technical Resources Kit (2nd draft)

Servanne Vandenbroeck. Prague, Czech Republic. 

  • French Appendix and Technical Resources Kit

Sophie Candille. San Francisco, California. 

  • French Introduction to BioSand Filters


Volunteer Web Developers

Vithya Swaminathan. Phoenix, Arizona. 

  • Every website update you could imagine!


Past Team Members

Stephanie Doud, Project Coordinator. 

Liz Dunn, Executive Director.