Director of the Flexible Research Group

Jonathan Hopkins

Jonathan B. Hopkins


Full Professor of Mechanical Engineering

Email: hopkins@seas.ucla.edu

Phone: 310-825-8091


Ph.D. Mechanical Engineering, 2010

Massachusetts Institute of Technology


M.S. Mechanical Engineering, 2007

Massachusetts Institute of Technology


B.S. Mechanical Engineering, 2005

Massachusetts Institute of Technology


Personal Website: www.jonathanbhopkins.com

Current Graduate Researchers

Michael Porter


Ph.D. Candidate



M.S. Mechanical Engineering

Georgia Institute of 

Technology, USA

B.S. Mechanical Engineering

University of California,

Berkeley, USA

Started: September 2015

Research Topic:

Modeling of Optical-tweezers Systems

Samuel Shimohara


Ph.D. Pre-candidate



M.S. Mechanical Engineering

University of California, Los Angeles

B.S. Mechanical Engineering

University of California, Los Angeles

Started:  August 2017

Research Topic:

Compliant System Optimization

Ryan Lee


Ph.D. Candidate


B.S. Mechanical Engineering

University of California, Santa Barbara

Started:  August 2018

Research Topic:

Actively Controlled Architected Materials

Miles P. Lim


Ph.D. Candidate


B.A. Chemistry

Bard College

Started:  October 2018

Research Topic:

Micro-granular Crystal Microfabrication


Amin Farzaneh


Ph.D. Candidate


M.S. Mechanical Engineering

University of Tehran

B.S. Mechanical Engineering

Khaje Nasir Toosi University of Technology, Iran


Started: December 2018


Research Topic:

Mechanical Logic-based Architected Materials


Talmage Jones


Ph.D. Pre-candidate


M.S. Mechanical Engineering

University of California, Los Angeles

B.S. Mechanical Engineering

Brigham Young University (BYU)

Started: October 2020


Research Topic:

Compliant Midsole Design


Zhidi Yang


Ph.D. Candidate


M.S. Mechanical Engineering

Cornell University

B.S. Mechanical Engineering

Shanghai Jiao Tong University, Shanghai, China

Started: April 2020


Research Topic:

Flexible Systems Design, Optimization, and Control

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Nigel Archer


Ph.D. Pre-candidate


M.S. Mechanical Engineering

University of California, Los Angeles

B.S. Mechanical Engineering

University of California, Los Angeles


Started: July 2020


Research Topic:

SolidWorks FACT-Add-in Development


Armin Pomeroy


Ph.D. Pre-candidate


B.S. Mechanical Engineering

University of California, Los Angeles


Started: May 2020


Research Topic:

Compliant Auxetic Screw Design and Optimization

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Pratyush Srivastava


Ph.D. Candidate


B.S. Mechanical Engineering

National Institute of Technology, Bhopal, India (NIT-B)


Started: January 2019


Research Topic:

Active Metamaterial Control


Wenzhong Yan

Ph.D. Candidate


M.S. Aerospace Propulsion Theory and Engineering

Beihang University (BUAA), Beijing, China

B.E. Thermal Energy and Power Engineering

Beihang University (BUAA), Beijing, China

Started: September 2016

Research Topic:

Mechanisms that Leverage one-dimensional jamming


Melika Ahmadi

Ph.D. Pre-candidate


B.S. Mechanical Engineering

Shahid Beheshti University, Tehran, Iran

Started: October 2021

Research Topic:

Additive microfabrication of mechanical logic gates via two-photon lithography

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Ivan Biggs

Ph.D. Pre-candidate


B.E. Mechanical Engineering

Vanderbilt University, Nashville, TN

Started: October 2021

Research Topic:

Microgranular crystal fabrication via optical-tweezer assembly

Current Undergraduate Researchers

Brandon Reedel, “Development of an Actuated Mattress to Assess Bed Sore Prevention,” Undergraduate Student, University of California, Los Angeles (UCLA), 07/21 to Present

Christopher Jawetz, “Creation of One-dimensional-jamming Architected Materials and Robots,” Undergraduate Student, University of California, Los Angeles (UCLA), 05/21 to Present

Cole Ten, “Development of a SolidWorks Add-in that Uses the Freedom and Constraint Topologies (FACT) Approach to Facilitate Mechanism Design,” Undergraduate Student, University of California, Los Angeles, 02/21 to Present

Flexible Research Group Alumni

Postdoctoral Researchers and Staff Research Associates


1. Gaurav Singh (Postdoctoral Researcher), 03/14 to 02/15

2. Babak Haghpanah (Staff Research Associate), 02/15 to 04/15

3. Alp Karakoc (Volunteer Postdoctoral Researcher), 04/16 to 08/17

4. James Simonelli (Postdoctoral Researcher), 03/17 to 11/18

5. Lucas A. Shaw (Postdoctoral Researcher)06/18 to 09/18

6. Yuanping (Adam) Song (Postdoctoral Researcher), 07/18 to 11/18

Graduated Ph.D. Students with Theses Published from our Group

1. Frederick Sun, 01/14 to 12/17

2. Lucas A. Shaw, 07/13 to 05/18

3. Yuanping (Adam) Song, 12/13 to 05/18

4. Samira Chizari, 10/15 to 12/20

M.S. Students and other Ph.D. Students who conducted research in our Group

1. Amir Behbahani (Volunteer), 10/13 to 12/13

2. Siyu Chen (Volunteer), 01/14 to 06/14

3. Ryan Budiman (Volunteer), 01/14 to 06/14

4. Peter Dohm, 03/15 to 06/16

5. Ali Hatamizadeh, 09/15 to 03/18

6. Talmage Jones, 09/16 to 06/18

7. James Simonelli, 10/16 to 03/17

8. Rodolfo Barranco, 10/17 to 06/20

Visiting Students and Scholars

1. Arnoud Delissen (Visiting Student from Delft University of Technology in the Netherlands), 05/15 to 09/15

2. Erwin Mulder (Visiting Student from University of Twente in the Netherlands), 07/17 to 10/17

3. Reinier Kuppens (Visiting Student from Delft University of Technology in the Netherlands), 09/19 to 01/20

Volunteer Undergraduate Researchers

1. Spencer White, 10/13 to 04/16

2. Conner Sharpe, 10/13 to 06/15

3. Alexander Phinney, 02/14 to 05/14

4. Mitchell Barnes-Wallace, 04/14 to 10/14

5. Chuyang Cai, 06/14 to 07/14

6. Ziran Gu, 06/14 to 08/14

7. Travis Iiyama, 06/14 to 09/14

8. Brian Louie, 06/14 to 09/14

9. Rayshaun Preston (CEED), 10/14 to 12/14

10. Max Vela (CEED), 10/14 to 12/14

11. Eloy Torres (CEED), 10/14 to 12/14

12. Noor Eltawil, 10/14 to 12/14

13. Johannes Henriksson, 01/15 to 05/15

14. Edgar Lopez (CEED), 10/15 to 12/15

15. Sydney Austin (CEED), 10/15 to 12/15, and 06/17 to 06/20

16. Josue Castillo (CEED), 10/15 to 12/15

17. Samuel Carrell (CEED), 10/15 to 12/15

18. Kevin Christensen, 10/15 to 06/16

19. Matthew Turk, 01/16 to 12/16

19. David Parker, 07/16 to 08/16

20. Michael Jedynak, 08/16 to 03/17

21. Matthew Dotson, 03/17 to 05/18

22. Ryan Poon, 06/18 to 06/19

23. Nikhil Pawar, 06/18 to 06/20

24. Christopher Clavelli, 06/19 to 06/20

Summer High School Students


1. Jaselinne Garcia (HSSRP), 06/14 to 08/14

2. Estefania Lahera (HSSRP), 06/14 to 08/14

3. Samir Kamnani (HSSRP), 06/15 to 08/15

4. Daniel Pikula (HSSRP), 06/15 to 08/15

5. Kenneth Tochihara (HSSRP), 06/17 to 08/17

6. Victor Saldana (HSSRP), 06/17 to 08/17

7. Mark Lee, 07/19 to 08/19

8. Artina Tarokh, 06/21 to 08/21