InterMatrix Communications

About Us

InterMatrix Communications (IMX) provides key public relations services including media representation, event organizing, and production for television, radio and print media. IMX specializes in policy issues, public communications and crisis management.


InterMatrix Communications (IMX) is a public relations firm with core competence in strategic communications in public issues. Based in Jakarta, IMX is focused on issues related to climate change, deforestation and indigenous peoples issues. The firm is also experienced in commercial public relationship and event organization. IMX works independently and in partnerships with clients from Indonesia and other countries. The work generally involves media management and public exposure. IMX founder (Wimar Witoelar) is a nationally known television and radio talk show host.


Knowing a client's strengths and working with them, as well as de-emphasizing the weaknesses, is the foundation to InterMatrix services. Sensitive communication planning brings the client's vision and objectives to the public. Client orientation is the key to achieve tangible results.

InterMatrix resources in communication, marketing and management provide a comprehensive base to design and execute accurate communication campaigns using all available media.


Companies are created to serve their shareholders but they are made sustainable by stakeholders. Stakeholders include founders, employees, staff and management, business partners, for they entrust their welfare and future to the company.

They include the public as a whole for they will benefit from the economic growth and employment created by healthy and growing companies

But most importantly, stakeholders are the Clients, for whom the company exists. Client Satisfaction is the key to our success. Winning Clients is extremely difficult, and keeping them is even a greater challenge.

As in personal relations, client companies need to present their best face forward. To do this, we need to understand and really know what the market expects from our client. This is all what PR is all about, and this is what InterMatrix Communications can offer you. Insight and skills to guide your company in making our common vision come alive.

InterMatrix Communications

Public Relations and Strategic Communication Consultancy

Media Management

  • Press Conference
  • Press Gathering
  • Press Tour
  • Press Release Management
  • Information management (News Monitoring, analysis and advisory)
  • Media Placement

Special Events Management

  • Conference, Seminar, Workshop, Talk Show, Product Launch
  • Concept Design
  • Organization and Invitation (speakers and audience)
  • Evaluation Report

TV and Radio Program Productions

  • Concept & Creative Design
  • Technical Production
  • Expert Supply
  • Logistic Coordination

In-house Productions (Company Profile, Web Design, Books)

  • Concept & Creative Design
  • Writing/Lay out
  • Technical Production
  • Printing Coordination
InterMatrix Communications

Our Clients

(On going and previous clients )

1. American Can Company
2. Asian Development Bank
3. Astra International Tbk
4. Asuransi Astra Buana
5. Bank Mandiri
6. Bank Summa
7. BIDA (Batam Industrial Development Authority)
8. Bintan Resort Management
9. Bisnis lndonesia
11. Bukit Asam
12. CEMEX Indonesia
13. Dana Corporation American Brands
14. General Electric (GE) Indonesia
15. General Electric lndonesia
16. General Motors (GM) Indonesia
17. General Motors lndonesia
18. Haydrian Indonesia
19. Hewlett Packard lndonesia
20. HSBC (Hongkong Shanghai Bank Corporation)
21. HSBC lndonesia
22. IBM
23. IBM lndonesia
24. Kahar Duta Sarana (KDS)
25. Kosti Jaya
26. Krakatau Steel
27. LA Lights
28. McDonald's
29. McDonald's Indonesia
30. Medco
31. Medco Group
32. Paiton Energy Company
33. Procon Indah Tbk
34. Republika
35. Salim Group
36. Samudra Indonesia, Tbk
37. Schiphol lndonesia
38. SCTV
39. Semen Gresik Tbk
40. Surya Citra Televisi (SCTV)
41. TAMF (Indonesian Technical Assistance Management Facility)
42. Telekomunikasi Indonesia Tbk
44. Teradata
45. The Body Shop
46. The Body Shop Indonesia
47. Thiess Indonesia
48. Timah Pertamina
49. Unilever Indonesia Tbk

1. Asean Foundation
2. Asian Development Bank (ADB)
3. Australian Embassy
6. Climate & Land Use Alliance (CLUA)
7. Departemen Pariwisata Pos dan Telekomunikasi
8. Departemen Pertanian
9. Directorate General of Financial Institution, Finance Ministry.
10. Directorate General of Tax, Finance Ministry
11. Edison Mission Energy
12. European Union
13. Ford Foundation
14. INTI (Indonesia Tionghoa)
15. INTRAC (Indonesian Anti Money Laundering Unit)
16. Johns Hopkins University - CCP
17. JPPR -The Asia Foundation .European Union
18. Koalisi Untuk Indonesia Sehat
19. Konrad Adenauer Stiftung (KAS)
20. Kusuma Buana Foundation
21. LPEM University of lndonesia
22. Maternal and Neonatal Health Program (JHPIEGO)
23. Minister of Industrial and Trade (DEPPERINDAG)
24. Ministry of Energy and Mineral Resources, Center for Energy Information
25. New Zealand Embassy
26. Pemerintah Daerah Tk. I Sumatera Utara
28. The International Centre for Trade and Sustainable Development (ICTSD)
29. Tropical Forest Alliance (TFA)
31. World Bank Indonesia

InterMatrix Communications

Key Persons

Wimar Witoelar (
After government duty as Presidential Spokesman for President Abdurrahman Wahid of Indonesia, Wimar is back in the private sector with his communications consulting firm InterMatrix Indonesia (founded 1986). Initially engaged in teaching and research at the Bandung Institute of Technology (ITB). Moved on to management consulting in 1977, serving clients ranging from the Asian Development Bank to Indonesian government agencies and private sector companies. He is now Adjunct Professor at Deakin University (Australia), after occupying a Chair in Journalism in early 2002.

Erna Indriana (
Had an education in the field of communications and lots of experience in public relations and event management. Enrich her PR ability through her working experience in several media including Vista TV (tabloid), Indovision (pay-TV) and Indosiar (television) since 1998-2000. Her career as a PR entirely was obtained during her works in InterMatrix Communications for over 15 years. She handles various important projects ranging from communication strategy to crisis management for the clients such as Semen Gresik, Paiton Energy, PT Unilever Indonesia, The Body Shop Indonesia, as well as public education campaigns, with Ford Foundation and the Climate Land Use Alliance (CLUA), and Konrad Adenaur Stiftung (KAS).

Hayatuddin Mansur (
Graduated from lnstitut llmu Sosial dan Politik Jakarta. Started career as journalist in various mass media. Content research and media relations are his expertise

Widya Tresna Utami (
Alumna of the Islamic State University started career as PR professional in 1998 with expertise in media relations and research. She has been dealing with many PR issues both commercial and public. Widya has extensive experiences in managing Radio program of Perspektif Baru and syndication column in some local newspapers

Dwipo Kuncoro (
Graduated from University of Indonesia majoring Public Relations. He joined InterMatrix Communications in 2007. As a PR Consulting. He specialist in event management. He was handle Lifebuoy Corporate Social Responsibility.

Stephanie Ratih Andriyani (
Graduated in Communications from Jayabaya University, Jakarta. Worked in production division for a television company and also in marketing communications division for a Radio Station before join InterMatrix Communications in 2013. As PR Consulting, she is specialist in media relations and PR activities.

Sonny Dwi Kristanu (
Graduated from Institut Kesenian Jakarta majoring in Graphics Art. Joining PT InterMatrix Communications Indonesia as Graphics Designer in 2012. He handle material design for several large events such as for Lifebuoy/PT Unilever Indonesia Tbk (Handwashing with soap Campaigne), The Body Shop, Green Economy Campaigne in Indonesia(CLUAPartnership) & Paiton Energy.

Mahisa Dwi Prastowo (
Graduated from University of Indonesia in 2006, majoring in Communication Studies. Before joining IMX, he was working in several public relations and research projects for several organizations. He joined InterMatrix Communications in 2012. His main role in InterMatrix is working on various background researches and as a content writer for InterMatrix PR activities.

Panji Kharisma Jaya (
Graduated from Public Relations studies at Padjadjaran University, Bandung. Panji had experience in Public Relations student's organization, also as one of the pioneer of Padjadjaran Public Relations Fair. At Intermatrix, his talents lie in social media handling and content writing for various projects. Prior to joining Intermatrix, he interned at PT Kereta Api Indonesia where he was part of media analyst team. Panji is an action figure photographer and collector, and passionate about football, video games, and culinary.

Rahayu Wulansari (
She graduated from University of Bina Sarana Indonesia majoring public relations. She joined InterMatrix Communications in 2015 and social media becomes one of her expertise. Beside become junior media relations, she also actively involved in radio program as radio program assistant.

Fadlun Saus (
Before joining Intermatrix Communications in 2013, she worked at Garuda Indonesia Airlines and Vietnam Airlines. Her expertise in client relations brought her to a new career as an Event Officer at Intermatrix Communications. She is responsible to manage, create and execute event management. Also, as she is passionate to engage with the journalists, she is now part of the media relations team.

Senior Associates

Yenny Zannuba Wahid
Master of Public Administration from Harvard University, former reporter for the Sydney Morning Herald. Winner of Walkley Award (Australia's 'Pulitzer Prize')

Derry Habir
Holding doctorate in management from Australian National University, writer and scholar.

Feisol Riza
Researcher, political activist, heads syndicated interview broadcast and column.

Jaleswari Pramodhawardani
a researcher at the The Research Center for Society and Culture at the Indonesian Institute of Sciences (Lembaga Ilmu Pengetahuan Indonesia/LIPI) and also activist on Gender issue.  Her main interests are in Feminism/Gender Studies, Conflict Resolution & Peace Studies, and Military Budget issue.

Satya Witoelar
Graduated in architecture from Parahyangan University. Award winning website developer and graphics designer.

InterMatrix Communications

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InterMatrix Communications

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