We’ve Done This Before

Remember paying $4 a minute for international phone calls? The man who made voice free by bringing it to the internet (Voice over IP) is doing the same with money. Soon, we’ll say, “remember when you could only earn 1% on your assets?”

Celsius Network is the next generation of financial services. We are proud to be comprised of a team of experienced entrepreneurs and industry pioneers who are dedicated to bring power back to the people.

We know how to take a concept from ideation to execution on a global scale.

We also happen to be the only company in crypto to have more hard working women than men.

Executive Team

Alex Mashinsky


Alex is one of the inventors of VOIP (Voice Over Internet Protocol) with a foundational patent dating back to 1994 and is now working on MOIP (Money Over Internet Protocol) technology. Over 35 patents have been issued to Alex, relating to exchanges, VOIP protocols, messaging and communication. As a serial entrepreneur and founder of seven New York City-based startups, Alex has raised more than $1 billion and exited over $3 billion. Alex founded two of New York City’s top 10 venture-backed exits since 2000: one of his first companies, Arbinet, IPO’d in 2004 with a market capitalization of over $750 million; and another venture, Transit Wireless, was valued at $1.2 billion at the time of exit.

Alex has received numerous awards for innovation, including being nominated twice by E&Y as entrepreneur of the year in 2002 & 2011; Crain’s 2010 Top Entrepreneur; the prestigious 2000 Albert Einstein Technology medal; and the Technology Foresight Award for Innovation (presented in Geneva at Telecom 99).

As one of the pioneers of web-based exchanges, Alex authored patents that cover aspects of the Smart Grid, ad exchanges, Twitter, Skype, App Store, Netflix streaming concept and many other popular web companies. Additionally, Arbinet’s fundraising story was featured as a case study in 2001 by Harvard Business School.

S. Daniel Leon

Founding President & COO

Daniel Leon is a business and social entrepreneur with a proven track record of growing early-stage companies and building organizations from the ground up. Daniel has co-founded and led multiple companies and not-for-profit organizations. Before Governing Dynamics, where he is a managing partner, he was CEO of Atlis Labs, a venture-backed local discovery platform powered by real-time customer referrals. Prior to that, Daniel served as CEO of Beyon3D and chairman of HereO. He was also general manager, of GroundLink, which raised more than $30 million in funding during his tenure. He started his career as vice president with the Gallup Organization. Daniel holds a degree in Economics from Brown University. He splits his time between New York and Tel Aviv.

Nuke Goldstein


Nuke is a seasoned software developer, architect, innovator, and entrepreneur in cutting-edge technologies. His career ranges from image processing and AI to IoT and blockchain. Prior to his work on the Celsius crypto assets lending and borrowing platform he designed P2P credit protocols using distributed storage and smart-contracts. Nuke was the CEO and founder of Sevenpop, a leading interactive music technology provider to hundreds of hotels and shopping centers across Israel. Nuke holds a B.Sc. in computer science from the Technion in Haifa (Israel’s most elite Institute of Technology). He also has black belts in Kempo Karate and Combat Ju-Jitsu. In addition, he has been awarded a grant by the National Science Foundation.


Liz Rabban
VP of Global Business Development

Liz advises growth stage technology companies on a spectrum of strategic business development initiatives. For over two decades, she has consulted with founders, partners, and investors to create scalable sales and marketing structures. Prior to entering the blockchain and crypto arena, she worked with a variety of technology and BPO companies in accessibility/assistive technology, VoIP, publishing, biotech, and healthcare. She is a current Activator at SheEO, a global initiative designed to radically transform the way investors finance and support female entrepreneurs; she has served on the boards of several startup ventures. Liz has a BA in English from Barnard College, Columbia University.


Samantha MacDonald

Samantha McDonald has joined the company as CFO. She most recently served as VP Finance for Grayscale Investments and the Chief Financial Officer and Treasurer of SPDR Gold (GLD) and SPDR Long Dollar Gold Trust (GLDW). GLD is the largest ETF to invest directly in physical gold with $33 billion in assets under management. Before her tenure with SPDR Gold, she worked at Roubini Global Economics, a global financial firm that provides economic analysis to portfolio managers, chief investment officers, analysts, and bankers. McDonald was responsible for the planning, operating performance, and leadership of the financial accounting and administrative functions. Prior to RGE, McDonald held multiple financial and operational positions, including as Chief Financial Officer of an education technology company. McDonald holds a Bachelor of Science degree in Accounting from Auburn University and received her Master’s in Accounting from the University of South Alabama. She is a Certified Public Accountant.

Core Team

Aliza Landes
Head of Sales and BD, EMEA

Aliza Landes has spent the majority of her professional career as an officer in the Israel Defense Forces, where she has served at the nexus of defense policy, communications strategy and international relations. She founded the IDF’s digital media department in 2009 and, as its commander, revolutionized the IDF’s public relations efforts. Initially a side project, she grew the desk to 10 soldiers and the IDFs social media platforms to millions of views and followers. After her army service, she completed a dual Masters degree from Harvard Kennedy School of Government (MPP) and MIT Sloan Business School (MBA). Prior to joining Celsius Aliza served as CMO of Asia Times Online.

Leah Jonas
Director of Business Development

Leah is a graduate of the University of Arizona where she received a degree in Sociology and Business. Prior to joining Celsius, Leah held positions in marketing, customer service, and technology sales- in both corporate and start-up environments. It was her experiences working in start-ups (as well as reading the book Digital Gold) that helped her realize that the emerging crypto-currency market was actually a start-up industry, with tremendous opportunity. In an effort to help others understand this fast developing field, she founded the Crypto-Content Club, focusing on blockchain technology and industry developments.

Kristen Ryan
Director of Marketing

Kristen joins Celsius with a background in tech sales, nonprofit event work and small business management. As she began learning more about blockchain in early 2017, she became passionate about the technology’s humanitarian possibilities. From P2P lending to land title rights, she is eager to see the improvements blockchain technology will bring to the world! Kristen has a B.A. in Sociology from Boston College.

Lola Scheiner
Sales Associate, EMEA

Lola has worked in few startup companies in fields of Telecommunication and web-based applications in NYC which later grew, matured and flourished to successful IPO’s. In recent years Lola has been consulting to corporations and private customers in fields of cyber technology and on ways of adopting proper business communication. She holds a B.A. in Business from the Interdisciplinary Center (IDC) and a B.Ed in English and volunteers in teaching English to underprivileged children in Israel and enjoys rock climbing.

Eric Slonaker
Community Manager

Eric is the VP of Client Relations/ strategic partners for CryptoCoinTrader.com, launching end of February 2018. Eric has made a large impact in being recognized as one of the most respected names in the space, based on his desire to maintain a large, healthy, and thriving environment for the community to prosper. Crypto Coin Trader is one of the largest and most influential cryptocurrency communities in the world, with over 100k Members, he has helped build multiple branches of CCT, targeting more specific and designated topics in crypto. Leading by example, Eric has been a staple to the crypto community, earning his place near the top over the past year.

John Arce
Head of Marketing, Asia

John is a Digital Marketing professional with over 8 years experience. He is the founder of WebGeek Philippines, a community platform for developers & startups. Previously, he worked as a marketing lead at Cardable, Salarium and Infoshift. He is also the lead organizer of DevCup, the biggest developer hackathon in Manila. Former curator of Techstars Startup Digest in Philippines, a weekly newsletter digest of startup events. He is passionate about startups, inbound marketing, cryptocurrency and tech communities. John is very bullish on the future of blockchain technologies and he loves working at the forefront of an innovative space.

Ashley Harrell
Director of Operations

Ashley comes to Celsius with a wide breadth of experience, from managing operations of a real estate investment trust to hosting interactive tour bus rides. After obtaining a B.M. in opera from UC Santa Barbara, Ashley moved to NYC with big dreams of Broadway stardom. After success in musical theater, comedy, and performing on high-end cruise ships, she found her way to business operations. Ashley worked as Director of Development for a downtown non-profit, made her way into the city’s growing beer industry, worked as Operations Manager of a REIT offering space to cannabis operators, and now has found her new home in cryptocurrency. When she’s not busy planning what other cutting-edge industries she can bust into, she’s brewing beer or singing Schubert loudly.

Jessica Khater
Director of Trading Operations

Jessica graduated from the University of Miami with a Bachelor’s Degree in Business Administration. On top of her Marketing major, she took on the Creative Ad track to gain proficient skills in graphic/visual design. Through those years, Jessica freelanced on different projects, worked in a Wealth Management Invest Firm, and continued to help her family business in the Finance & Operations Department. After graduating, she was immediately on-boarded to Fortune Footwear as an Associate Designer to some of largest women’s shoe brands. What brought her to dive into the blockchain industry was her keen interest for disruptive technologies. Jessica dedicated herself to study the cryptocurrency market inside and out— leaving her previous job to invest, trade, and partake in the crypto community at conferences around the country.



Dr. W. Scott Stornetta
Blockchain Pioneer

Scott is considered by many to be the co-inventor of the Blockchain. Dating back to 1991, his pioneering series of papers, written with co-author Stuart Haber at Bellcore, received the 1992 Discover Award for Computer Software, were featured in the New York Times in 1995, and referenced three times by Satoshi Nakamoto in his famous Bitcoin whitepaper (see page 9). The Celsius mission to bring the next 100m people into Crypto and the solid team of serial founders convinced Scott to join them. Scott notes, “I have been approached to serve on many, many advisory boards, and always have had to say no due to time constraints. The success of Celsius will signal the mainstream acceptance of the entire blockchain community.”

Miko Matsumura

Miko Matsumura
Co-founder at Evercoin

Miko Matsumura founded crypto exchange Evercoin, and is a Limited Partner with the Pantera Capital ICO Fund (a $100M ICO-only fund). He is personally invested in FileCoin, Brave, CIVIC, Propy and Lyft. As a 25 year operating exec in Silicon Valley, he has raised over $50 million in capital for Open Source startups.

Chris Dannen

Chris Dannen
Founder of Iterative Capital

Chris has extensive experience in blockchain technology including an advisor position at Blockmatics, a consultant with Bloomberg and a founder. He also has a number of technology publications and has written at length about Ethereum and other cryptocurrencies. He specializes in business strategy and development.


Rashid Al Malik

Mr. Rashid Al Malik serves as the Chairman and CEO of Haya Holdings since April 2010. He was the founder and Deputy CEO/ Chief Corporate Development Office of Dubai Aerospace Enterprise.He serves as an advisor to Colony Capital Chairman.He is an active investor in new technologies. He holds a Bachelor degree from Bucks, New University and a postgraduate master’s degree (MBA) from Pepperdine University in Los Angeles, U.S.A.


Sonic Zhang

Sonic Zhang is the Co-founder and Global Director of 20 Nations League of Blockchain (B20), an international NGO focused on bridging blockchain and crypto-currency communities worldwide. Founder of ValueNet Capital, Murint Capital, ValueBank Group, and SoRelax, a global platform for cross-border marketing and services. Sonic has an MPM and a BE in Mechatronics from the University of Sydney.

Ivan-Bjelajac (2)

Ivan Bjelajac
Operating Director at GoDaddy | Partner MVP Workshop

Passionate about developing products, systems, and working with people dedicated to building flat organizations, Ivan is driven by a search for game-changing brands that improve consumers’ lives. Ivan’s engineering background is in DevOps, System Engineering and Customer Support Analytics. In 2011 Ivan was declared one of the most successful young entrepreneurs under 30 years.

Tech Team

Mališa Pušonja
Blockchain Architect Lead
Antun Debak
Product Design
Stevan Koprivica
Engineering Director
Predrag Rogić
Product Director
Petar Atanasovski
Product Manager
Djordje Stevanović
Software Engineer
Filip Jovakarić
Software Engineer
Lazar Travica
Software Engineer
Bogdan Habić
Software Engineer
Andrej Benčić
Software Engineer
Miljan Tekić
Software Engineer
Nikola Sabelnik
Software Engineer
Aleksandar Sudimac
Software Engineer
Ivor Jugo
Software Engineer
Dragan Obradović
Software Engineer
Stefan Burscher
Software Engineer
Jovan Jovanović
Software Engineer
Panto Andjelić
Software Developer
Nemanja Krstonić
R&D Analyst
Katarina Vukoman
Visual Designer
Aleksandar Stanković
UX & UI Designer
Milica Spasojević
UX & UI Designer
Srdjan Djenader
Web Developer
Aleksandar Kanjevac
Web Developer

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