# Samuel Jacob Klein > American physicist, programmer, speaker, technologist and knowledge curator **Wikidata**: [Q7554](https://www.wikidata.org/wiki/Q7554) **Source**: https://4ort.xyz/entity/samuel-jacob-klein ## Summary Samuel Jacob Klein is an American physicist, programmer, and technologist widely recognized as a knowledge curator and Wikimedian. He is best known for his tenure on the Wikimedia Foundation Board of Trustees and his work with organizations such as One Laptop per Child and the Knowledge Futures Group. ## Biography * **Born:** January 25, 1978 in Houston, United States * **Nationality:** United States * **Education:** Harvard University; Massachusetts Institute of Technology (studied engineering) * **Known for:** Knowledge curation, Wikimedia governance, and open technology advocacy * **Employer(s):** One Laptop per Child; Knowledge Futures Group * **Field(s):** Physics, Software Engineering, Knowledge Management ## Contributions Samuel Jacob Klein has contributed significantly to the fields of open knowledge and educational technology. He served as a member of the Board of Trustees for the Wikimedia Foundation—the non-profit organization that operates Wikipedia—from August 2009 to July 2015. In this governance role, he helped oversee the strategic direction of one of the world's largest free knowledge resources. Beyond his work with Wikimedia, Klein has held positions that bridge technology and accessibility. He was employed by One Laptop per Child, an initiative focused on providing affordable educational devices to children worldwide. More recently, he has been affiliated with the Knowledge Futures Group, an organization dedicated to building infrastructure for knowledge sharing. A prolific writer and speaker, Klein maintains a digital presence through his Harvard-hosted blog and various social media platforms, where he discusses the intersection of technology, physics, and information systems. ## FAQs ### Q: What is Samuel Jacob Klein's role in Wikipedia? A: Klein is a long-time Wikimedian who served on the Wikimedia Foundation Board of Trustees for a six-year term starting in August 2009 and ending in July 2015. His username across Wikimedia projects is "Sj." ### Q: Where did Samuel Jacob Klein study? A: Klein studied at Harvard University and the Massachusetts Institute of Technology (MIT), where he focused on engineering. ### Q: What organizations has Klein worked for? A: His notable employers include the One Laptop per Child initiative and the Knowledge Futures Group. ## Why They Matter Samuel Jacob Klein matters for his sustained advocacy and governance in the free knowledge movement. By serving on the Wikimedia Foundation Board of Trustees, he played a critical role in guiding the financial and operational stability of Wikipedia and its sister projects during a period of significant growth. His professional background in physics and software engineering allows him to approach knowledge curation with a technologist's perspective, influencing how information is structured and accessed. His work with One Laptop per Child further highlights his commitment to leveraging technology for educational equity. Klein continues to impact the sector through his involvement with the Knowledge Futures Group, helping to develop new tools for the creation and distribution of knowledge. ## Notable For * **Wikimedia Governance:** Served on the Board of Trustees for the Wikimedia Foundation from 2009 to 2015. * **Open Knowledge Advocacy:** Recognized explicitly as a "knowledge curator" and Wikimedian. * **Educational Technology:** Contributed to the One Laptop per Child initiative. * **Cross-Disciplinary Expertise:** Combines a background in physics and engineering with software development and information science. * **Digital Influence:** Maintains an active following on social media platforms and maintains a personal blog at Harvard University. ## Body ### Early Life and Education Samuel Jacob Klein was born on January 25, 1978, in Houston, United States. He is a male citizen of the United States. Klein pursued higher education at two major institutions: Harvard University and the Massachusetts Institute of Technology (MIT). At MIT, he specifically studied engineering. ### Career and Affiliations Klein describes his professional identity through various roles, including physicist, programmer, speaker, and technologist. He has been affiliated with significant technology and education entities: * **One Laptop per Child:** Listed as an employer. * **Knowledge Futures Group:** Listed as an employer. * **Harvard University:** Maintains a personal weblog hosted at `http://blogs.harvard.edu/sj/`. ### Wikimedia Involvement A significant portion of Klein's public profile is dedicated to his work with the Wikimedia movement. He is known by the username **Sj**. * **Board of Trustees:** He served as a member of the Wikimedia Foundation Board of Trustees from August 1, 2009, to July 2015. * **Wikimedian:** He is explicitly classified as a Wikimedian by occupation, reflecting his active participation in the community. ### Online Presence Klein maintains an active digital footprint across various platforms: * **Social Media:** His Twitter handle is **@metasj** (User ID: 75123), with over 4,000 followers as of 2020/2021. He also utilizes Mastodon under the handle **@metasj@mathstodon.xyz**. * **Imdb:** He is listed in the Internet Movie Database (IMDb) with ID `nm9295703`. * **Professional Networking:** His LinkedIn profile ID is `sjklein`. * **Google Knowledge Graph:** He is indexed with the ID `/g/11j3ww18x4`. ## References 1. LinkedIn 2. [Source](https://meta.wikimedia.org/wiki/User:Sj) 3. [Source](https://www.knowledgefutures.org/about) 4. [Source](https://twitter.com/metasj)