Deep technology company solving real world problems

Arctic Semiconductor is a leading provider of energy-efficient, versatile RF and mixed-signal chipset solutions for wireless networks. These chipsets enable wireless equipment manufacturers to create cost-effective advanced radios for applications such as small cells, fixed wireless access, private networks, massive MIMO, and macro cells. Previously known as SiTune Corporation, the company is based in Silicon Valley and is at the forefront of innovation with over 40 patents. Arctic Semiconductor is driving the global adoption of 5G radio technology and is leading the way in this rapidly evolving industry.



Vahid Toosi

CEO & Founder


Dr. Marzieh Veyseh

CPO/CTO & Co-Founder


Raghu Rao

VP of WW Sales
& Business Development



Vahid Toosi


Dr. Sam Heidari


Bobby Yazdani



Dr. John M. Cioffi


Dr. Hossein Moiin


Brian L.Hinman


Dr. Francesco Svelto


Dr. Chrysostomos
L. Max Nikias

Latest Developments

Arctic Semiconductor is at the forefront of producing high-quality RF and Mixed signal chipsets and is playing a crucial role in the implementation of 5G technology in both infrastructure and device industries. Stay updated on the latest news and updates about the company and its advancements.


Vahid Toosi

Founder & CEO


Vahid Toosi, founder and CEO of Arctic Semiconductor is a seasoned professional with more than 25 years of experience in the semiconductor industry. He is a successful executive and technical leader, with a proven track record of guiding teams to deliver complex products from concept to customer deployment. His modern, hands-on leadership style has been instrumental in the success of Arctic Semiconductor, which he founded after a successful career at Ikanos Communications and attending the EE PhD program at UC Santa Cruz. Vahid holds over 40 patents in the area of RF and mixed-signal IC design. Under his leadership, Arctic Semiconductor has generated tens of millions of dollars in revenue and NRE.


CPO/CTO & Co-Founder


Marzieh has been actively involved in the development of science and technology in the field of Wireless communication for the past 18 years. She has authored and co-authored numerous papers and patents with novel fundamental ideas to improve the performance of wireless networks by designing new protocols in the medium access layers as well as new hardware implementation techniques that support and help the higher layer distribution algorithms to attain lower latency and higher reliability. This includes her PhD Thesis, papers and patents while working as a scientist and CTO as well as CPO at SiTune corporation. She has acted as Journal reviewer, Book co-author and Teaching assistant during her graduate studies and Co-founded SiTune in 2007 during her PhD years.

Marzieh has helped in developing SiTune’s successful commercialized products in terms of architecture design, research and product development. She has directly managed the R&D team and handled patents composition and submission as well as managing projects and partnerships while working on the innovation aspects of the company’s products. She is the chief architect for SiTune’s advanced products such as 5G Transceivers, DPD design for Power Amplifiers, and Full Duplex Design for DOCSIS 3.1 RF Front End. Her PhD work was based on implementation of novel communication protocols for wireless network and cross-layer design for attaining concurrency in wireless spectrum allocation. She worked at Hitachi America in 2011 for a year on protocol development for lowering power consumption in WiFi based monitoring systems. Her work across wireless communication layers from complex physical layer optimization algorithms to meticulous MAC layer protocol resulted in many publications and more than 20 patents.


VP of WW Sales
& Business Development


Raghu Rao, VP of WW Sales & Business Development Raghu Rao, VP of WW Sales & Business Development, is a senior technology business leader with experience developing and executing worldwide growth strategies. He has more than 30 years of experience in semiconductor sales, business development and marketing, building global sales, and brings extensive international experience with expatriate assignments in Asia (Tokyo) and EMEA (London). Prior to joining Arctic Semiconductor, Raghu was head of business development at PeerNova and held executive positions at Marvell Semiconductor, GlobeSpan Virata/Conexant Systems, Zenverge (acquired by Freescale semiconductor), TeraLogic, and LSI Logic.



Dr. Sam Heidari is a seasoned executive and board member for both public and private companies, with decades of experience innovating novel technologies as well as building successful products and businesses. Currently, he is the chairman of the board for SiTune and Aerial Technologies as well as an operating partner at Cota Capital and a board member at Greenwave Systems, Haila Technology and BigStream. Prior to that, he was the Chairman of the board and CEO of Quantenna Communications in which he drove the organization in developing the most advanced Wi-Fi

hardware and software solutions to date – thereby enabling networking applications previously not thought possible. Dr. Heidari led Quantenna’s growth from zero revenue to more than $200M, its successful IPO in 2016, and its subsequent acquisition in 2019. Prior to Quantenna, he served as chief technology officer at Ikanos Communications. He joined Ikanos as one of the original team members and provided meaningful contributions to its IPO. Then, Dr. Heidari rejoined Ikanos in 2006 via the acquisition of Doradus Technologies, where he had served as president and CEO. Under his management, Doradus grew from founding to profitability within 18 months.

Dr. Heidari has served on the Global Semiconductor Alliance Board of Directors and on the advisory board for both Electrical Engineering and Computer Science Departments at the University of Southern California. He is a senior member of IEEE and holds about 50 U.S. and international patents. Dr. Heidari was named the 2014 Executive of the Year by the Golden Bridge Awards and the 2017 Executive of the Year by UBM. He earned his M.S. and Ph.D. degrees from University of Southern California, and a B.S. degree from Northeastern University, all in Electrical Engineering.

Bobby Yazdani


Before forming Cota Capital, Bobby spent over 20 years investing in technology companies both individually and through his family office, Signatures Capital, which he founded in 2006. Through his family office and Cota Capital, Bobby has invested in over 200 private companies. Drawing from nearly three decades of entrepreneurial experience in Silicon Valley, Bobby mentors, advances and empowers entrepreneurs on their journey to build great companies. In 2014, Bobby was ranked #1 out of 2000 angel investors for successful follow-on funding by CB Insights. Bobby made his first investment in 1989 in medical technology company Masimo (NASDAQ: MASI), where, in addition to providing capital, he wrote software to enhance the accuracy of the company’s early neonatal pulse oximeters.

Bobby founded Saba Software (“Saba”) in 1997, taking the company public in 2000. Saba was the pioneer of Learning Management and Talent Management Solutions, serving over 30 million people from 2,200 customers across 195 countries and in 37 languages worldwide. Saba was acquired by Cornerstone OnDemand, Inc. (NASDAQ: CSOD) in 2020. At Saba, Bobby served as CEO from 1997 to 2002 and from 2003 to 2013. Prior to Saba, Bobby worked in various R&D roles at Oracle Corporation from 1988 to 1997.

Since making his first investment in Masimo Corporation (NASDAQ: MASI) in 1989, Bobby has successfully mentored entrepreneurs and invested in more than 200 companies.

Bobby has endowed the American Legacy Fund in partnership with U.S. Soccer, the Berkeley Changemaker Endowment and the Signatures Innovation Fellowship at University of California, Berkeley; the Maryam Mirzakhani Endowed Professorship at Mathematical Sciences Research Institute; and the Yazdani Family Endowed Scholarship, the Parivash Yazdani Research Fund, and the Maker Space at University of Southern California. Bobby serves on the President’s Leadership Council at University of Southern California.

Born in Tehran, Iran, Bobby completed high school in England and received a B.A. in Applied Mathematics from the University of California, Berkeley.



Dr. John Cioffi is a 30-year veteran of the DSL industry and holds numerous prestigious awards for his contributions to technology and industry. Prior to founding ASSIA in 2003, he served as founder, CTO, and vice president of engineering at Amati before its acquisition by Texas Instruments. Dr. Cioffi held a tenured endowed professorship at Stanford University in the Department of Electrical Engineering from 1985-2009, where he is now an active Professor Emeritus with limited ongoing research efforts in broadband access.

He has published over 400 papers and holds over 100 patents. Dr. Cioffi is a member of the United States National Academy of Engineering and an International Fellow of the United Kingdom Royal Society of Engineering. He is a winner of the Economist Computing and Telecommunications Award (2010), IEEE Alexander Graham Bell Medal (2010), the IEEE Kobayashi Award (2001), and the Marconi Society’s Marconi Prize (2006). He currently serves on the boards of Teranetics, ClariPhy, Vector Silicon, and Alto Beam. Dr. Cioffi holds a B.S. degree in Electrical Engineering from the University of Illinois and a Ph.D. in Electrical Engineering from Stanford University.



A globally recognized industry leader, Dr. Hossein Moiin has been instrumental in shaping the mobile industry for the past two decades and is credited with specification of LTE. Currently, he is working on further definition of 5G and its applications while advising technology companies and investment firms on how they can prepare for and thrive in the 5G era. In addition, Dr Moiin is the founder and CEO of edgelab.ai, a company focused on characterization and certification of 5G components and applications as well as an operating partner in Cota Capital, a leading investment firm in San Francisco.

Prior to his current roles, Hossein held leadership positions in Nokia including chief technology and strategy officer. Before Nokia, Hossein held leadership positions in large organizations across the globe, such as BT in London, T-Mobile in Germany and Sun Microsystems in California. Finally, Hossein has been involved with several startups in Silicon Valley and Europe and has helped them to successful exits. Hossein has an in-depth understanding of Technology and its business context and is a published author and patented scientist. Hossein obtained his B.S, M.S and PhD degrees from University of California and resides in San Francisco now after lengthy spells in Europe and Asia.­­­



Mr. Hinman currently serves as the CEO of Levitate Acquisition Corporation, a special purpose acquisition corporation he cofounded in February 2021. Throughout his 37-year career. He has been a prolific entrepreneur, executive, venture capitalist, engineer and inventor.­­­

Previously, Mr. Hinman co-founded four successful telecommunication companies, three achieving revenues of more than $500M per year; has led two successful IPOs; and as an inventor, has more than 50 issued US patents, and several pending applications. The fields of his inventions include: wireless and wireline telecommunications, antenna design, photovoltaic systems, optical design, industrial design (including the iconic Polycom speakerphone), electric aircraft design and charging systems for electric aircraft.­­­

Mr. Hinman currently operates Clover Aviation and HiveSpot, as intellectual property holding businesses with a focus on advanced aerial mobility and electric aircraft charging solutions, respectively. Mr. Hinman earned his BSEE from the University of Maryland with a SMEE from MIT.­­­



Francesco Svelto is Professor of Electronics at University degli Studi di Pavia. He has a long experience in the area of RF circuits and systems in CMOS. He has been technical advisor of RFDomus Inc., a start-up he co-founded in 2002 dedicated to highly integrated GPS receivers. After merging with Glonav Inc. (Ireland), RFDomus has been acquired by NXP Semiconductors in 2007. Presently he is the Director of a Scientific Laboratory, joint between University di Pavia and STMicrolectronics,­­­

dedicated to research in Microelectronics, with emphasis to mm-wave systems for wireless communications, high-speed serial links and read-write channels for hard disk-drives. Dr. Svelto is member of the technical program committee of the International Solid State Circuits Conference and has been a member of Custom Integrated Circuits Conference, Bipolar/ BiCMOS Circuits Technology Meeting and European Solid State Circuits Conference. He served as Associate Editor of IEEE Journal of Solid State (2003-2007), and as Guest Editor for a special issue on the same journal in March 2003. He is co-recipient of the IEEE Journal of Solid State 2003 Best Paper Award.­­­



C. L. Max Nikias became the University of Southern California’s eleventh president in August 2010. He is the holder of the Robert C. Packard President’s Chair and the Malcolm R. Currie Chair in Technology and the Humanities, and also chairs the USC Hospitals Governing Board. He has been at USC since 1991, as a professor, director of national research centers, dean, provost, and now president. He holds faculty appointments in both electrical engineering and the classics. In addition, he leads special

freshman seminars each fall on ancient Athenian democracy and drama. He is a member of the National Academy of Engineering and a fellow of the Institute of Electrical and Electronics Engineers (IEEE) and the American Association for the Advancement of Science (AAAS). Among numerous other honors, he has received the IEEE Simon Ramo Medal and the University at Buffalo’s Clifford C. Furnas Memorial Award. Dr. Nikias is recognized internationally for his pioneering research on digital signal processing, digital media systems, and biomedicine. The Department of Defense has adopted a number of his innovations and patents in sonar, radar, and communication systems. The author of more than 275 journal articles and conference papers, three textbooks, eight patents, he has mentored more than 30 Ph.D. and postdoctoral scholars. Three of his publications received prestigious best papers awards. As president, Dr. Nikias has articulated a vision for USC to attain undisputed, elite status as a global research university. His initiatives include recruiting a cadre of transformative, world-class faculty; elevating USC’s academic medical enterprise; expanding USC’s international presence; further improving the breadth and quality of USC’s world-class student body; and embarking on the largest fundraising campaign in the history of higher education. The Chronicle of Higher Education has called Dr. Nikias a prodigious fundraiser. His first year as president was highlighted by seven transformative gifts to USC, including a $200 million gift from Dana and David Dornsife to name USC’s College of Letters, Arts and Sciences, the single largest donation in the university’s history; a $150 million gift from the W. M. Keck Foundation for medicine; and a $110 million gift from Julie and John Mork to support student scholarships. This allowed USC to raise an unprecedented total of $1 billion in Dr. Nikias’ first year. He also brought the nation’s largest literary festival, the Los Angeles Times Festival of Books, to USC. In addition, the university broke ground on a major new student health center, a state-of-the-art athletics complex and other new facilities. In recognition of his efforts to renew USC’s athletics heritage, the New York Times selected Dr. Nikias as one of a small number of national figures ‘who make sports’ little corner of the world a better place. Dr. Nikias received a diploma from the National Technical University of Athens, also known as National Metsovion Polytechnic, the oldest and most prestigious higher education institution of Greece, and later earned his M.S. and Ph.D. from the State University of New York at Buffalo. He holds honorary doctorates from Hebrew Union College and the University of Cyprus. His wife, Niki C. Nikias, received a bachelor’s degree in accounting from the Athens University of Economics and Business in Greece and a master’s degree in business administration with a specialization in finance from the State University of New York at Buffalo. They have two daughters, both of whom are graduates of USC.­­­

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