| 2025 SIG ElectionElection Home | Council | Committees | National Divisions | SIGs 
Scientific Interest Groups (SIGs) are at the heart of the ACA’s vibrant scientific community—bringing together members who share common research interests, fostering collaboration, and shaping the scientific program of our annual meetings. Each SIG plays a vital role in advancing the structural sciences by promoting discussion, organizing symposia, and supporting early-career scientists. The annual SIG elections ensure that these groups continue to thrive with engaged and dedicated leadership. By voting for SIG officers, members help strengthen the ACA’s collective voice and ensure that every area of crystallography and structural science remains active, inclusive, and forward-looking.      
| SIG | OFFICE | Candidate #1 | Candidate #2 | Candidate #3 | 
|---|
 
|  | Secretary Treasurer 2026-2027 | Sabine Botha | None |  None |  
| Chair Elect 2026 (Chair 2027) | Daniel Paley | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Surajit Banerjee | James Moody |  None |  |  |  |  |  |  | 
|---|
 
|   | Chair Elect 2026 (Chair 2027) | Juan  Du | None |  None |  
| Secretary Treasurer 2026-2027 | Edward Eng | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Kara Zielinski | None |  None |  
| Secretary Treasurer 2026-2027 | Susanna Huang | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Margarita Tararina | None |  None |  
| Secretary Treasurer 2026-2027 | Ellene Mashaladis | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Melissa Carrillo | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Megan Butala | Tianyi Li |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | M. Jason de la Cruz | None |  None |  
| Secretary Treasurer 2026-2027 | Dmitry Eremin | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Danielle Yahne | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Sikhumbuzo Masina  | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | James Byrnes | None |  None |  
| Secretary Treasurer 2026-2027 | Sarah Uttormark | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Edward Eng | Alexander Erickson |  None |  
| Secretary Treasurer 2026-2027 | William Hearne | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Nobuyuki Yamamoto | None |  None |  |  |  |  |  |  | 
|---|
 
|  | Chair Elect 2026 (Chair 2027) | Alexis Davidson  | David A. Delgadillo | Sarah Starcovic |  |