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 emerging markets.

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 is the Founder, Chairman, and CEO of the OHorizons Global Network; an international network of advisors working on large multi-billion dollar projects for investment firms, corporations, and private businesses who focus on the automotive, transportation, energy, and industrial markets, real assets and debt instruments.

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


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. 


Past Team Members

Stephanie Doud, Project Coordinator. (2012 - 2015)

Liz Dunn, Executive Director. (2009 - 2011)



Nahida Akhter. Brooklyn, New York. (Winter/Spring 2017)

Emmy Dallas. New York, New York. (Summer 2015)

Saratu Mahama. New York, New York. (Summer 2015)

Amanda Low. New York, New York. (Summer 2015)

Karla Boza. New York, New York. (Summer 2015)

Dylan Lunney. New York, New York. (Summer 2015)

Peng Lu. New York, New York. (Summer 2014)

Devon Roberts. Troy, Michigan. (Fall 2012 - Fall 2013)

Me-Rae Kim. Troy, Michigan. (Summer 2013)

Bailey McFarland. Troy, Michigan. (Winter 2012/2013)

Katherine Liu. Troy, Michigan. (Summer 2012- Spring 2013)

Ben Karczewski. Troy, Michigan. (Summer and Fall 2012)

Lauren Montemurri. Troy, Michigan. (Fall 2011- Spring 2012)

Charlotte Herring. Troy, Michigan. (Summer 2010 and 2011)


Wood Mold Engineers and Testers

Aaron Howard. Ypsilanti, Michigan. (Spring 2013) 

  • 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. (2012-2014)

  • 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 (Winter 2017)

Kellie Doucette (Summer/Fall 2016)



Miranda Rensch. Seattle, Washington. (Winter 2015 - present)

  • OHorizons Intro Sheet


Volunteer Translators

Aline Guidry. Rio de Janeiro, Brazil. (Spring/Summer 2016)

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

María Lago. Vigo, Spain. (Winter 2017)

  • Spanish Introduction to BioSand Filters.

María Florencia. Buenos Aires, Argentina. (Fall 2016) 

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

Karla Boza. San Salvador, El Salvador. (Summer 2015)

  • Spanish Construction Manual (1st draft)

Miguel Lopez Virués. Jerez, Spain. (Spring 2017)

  • Spanish Technical Resources Kit (1st draft)

Julieta Cordone. Buenos Aires, Argentina. (Spring 2017)

  • Spanish Technical Resources Kit (2nd draft)

Servanne Vandenbroeck. Prague, Czech Republic. (Winter/Spring 2017) 

  • French Appendix and Technical Resources Kit

Sophie Candille. San Francisco, California. (Fall 2016)

  • French Introduction to BioSand Filters


Volunteer Web Developers

Vithya Swaminathan. Phoenix, Arizona. (Summer 2016 – present)

  • Every website update you could imagine!